Business Statistics

DR. G.R. DAMODARAN COLLEGE OF SCIENCE, COIMBAORTE – 641 014(Autonomous and affiliated to Bharathiar University & recognized by the UGC.

School of Commerce and International Business

MULTIPLE CHOICE QUESTIONS

CLASS: II BCOM CS – 405E IV SEMESTERBUSINESS STATISTICS

1. Who stated that statistics is a branch of applied mathematics which specializes indata?a. Horace Secrist.b. R.A Fisher.c. Ya-Lun-Chou.d. L.R. Connor.Answer: B2. The word ‘statistics’ is used asa. Singular.b. Plural.c. Singular and Plural.d. None of above.Answer: C3. Out of various definitions, given by the following workers, which definition isconsidered to be more exact?a. R .A. Fisher.b. A.L.Bowley.c. M.G.Kendall.d. Cecil H.Meyers.Answer: A4. The statement, “designing of an appropriate questionnaire itself wins half the battle”,was given bya.A.R.Ilersic.b.W.I.King.c.H.Huge.d.H.Secrist.Answer: C5. Method of complete enumeration is applicable fora. Knowing the production.b. Knowing the quantum of export and import.c. Knowing the population.d. All of above.Answer: D6. Which of the following example does not constitute an infinite population?a. Population consisting of odd numbers.b.Population of weights of newly born babies.c. Population of heights of 15 year old children.d.Population of head and tails in tossing a coin successfully.

Answer: C7. A study based on complete enumeration is known asa. Sample survey.b. Pilot survey.c. Census survey.d. None of above.Answer: C8. Stastistical results area. Absolutely correctb. Not true.c. True on average.d. Universally true.Answer: C9. Statistics can be considered asa. an art.b. a science.c. neither an art not science.d. both art and science.Answer: D10. Sources of secondary data area. published sources.b. unpublished sources.c. neither published nor unpublished sources.d. both published and unpublished sources.Answer: D11. Whether classification is done is done first or tabulation?a.classification follows tabulation.b.classification precedes tabulation.c.both are done simultaneously.d.no criterion.Answer: B12. A series showing the sets of all distinct values individually with their frequencies isknown asa. grouped frequency distribution.b. simple frequency distribution.c. cumulative frequency distribution.d. none of the above.Answer: B13. A series showing the sets of all values in classes with their corresponding frequenciesis known asa.grouped frequency distribution.b.simple frequency distribution.c.cumulative frequency distribution.d.none of the above.Answer: A14. In a grouped data, the number of classes preferred are

a.minimum possible.b.adequate.c.maximum possible.d.any arbitrarily chosen number.Answer: B15. Class interval is measured asa.the sum of the upper and lower limit.b.half the sum of upper and lower limit.c.half the difference between upper and lower limit.d.the difference between upper and lower limit.Answer: D16. A grouped frequency distribution with uncertain first or last classes is known asa.exclusive class distribution.b.inclusive class distribution.c.open end distribution.d.discrete frequency distribution.Answer: C17. Frequency of a variable is alwaysa.in percentage.b.fraction.c.an integer.d.none of the above.Answer: C18. The data given as 5, 7, 12, 17, 79, 84, 91 will be called asa. a continuous series.b. a discrete series.c. an individual series.d. time series.Answer: C19. In an ordered series, the data area. in ascending order.b. in descending order.c. either (1) or (2)d. neither (1) or (2)Answer: C20. The following frequency distribution,CLASSES FREQUENCY0-10 30-20 80-30 140-40 200-50 25Is known as:a. continuous frequency distribution.b. discrete frequency distribution.c. cumulative distribution in more than type.

d. cumulative distribution in less than type.Answer: D21. Trilinear chart is used to portray simultaneouslya. two variables.b. three variables.c. four variables.d. any number of variables.Answer: B22. Which of the following statements is not correct?a. The bars in a histogram touch each other.b. The bar in a column chart touch each other.c. There are bar diagrams which are known as broken bar diagrams.d. Multiple bar diagrams also exist.Answer: B23. Ogives for more than type and less than type distributions intersect ata. mean.b. median.c. mode.d. origin.Answer: B24. In case of frequency distribution with classes of unequal widths, the heights of bars ofa histogram are proportional toa. class frequency.b. class intervals.c. frequencies in percentage.d. frequency densities.Answer: D25. Yearwise production of rice, wheat and maize for the last ten years can be displayedbya. simple column chart.b. subdivided column chart.c. broken bar diagram.d. multiple column chart.Answer: D26. When we have the number of court cases of different categories and informationabout number of cases settled, the information can be better portrayed througha. sliding bar diagram.b. histogram.c. paired bar diagram.d. column chart.Answer: A27. Pictograms area. very accurate.b. least accurate.c. mostly used.d. scientifically correct.

Answer: B28. When there are a large number of values in an individual series, preference forportraying the data goes toa. bar diagram.b. column chart.c. line chart.d. scatter diagram.Answer: C29. Pie chart represents the components of a factor bya. percentages.b. angels.c. sectors.d. circles.Answer: C30. The immigration and out migration of people in a number of countries and also thenet migration can be better displayed bya. duo-directional column chart.b. gross-deviation column chart.c. net deviation column chart.d. range chart.Answer: B31. If a constant 5 is added to each observation of a set, the mean isa. increased by 5.b. decreased by 5.c. 5 times the original mean.d. not affected.Answer:A32. If each observation of a set is multiplied by 10, the mean of the new set ofobservationsa. remains the same.b. is 10 times the original mean.c. is one-tenth the original mean.d. is increased by 10.Answer: B33. If each value of a series is multiplied by 10, the median of the coded values isa. not affected.b. 10 times the original median value.c. one-tenth of the original median value.d. increased by 10.Answer: B34. If the grouped data has open end classes, one cannot calculatea. median.b. mode.c. mean.d. quartiles.Answer: C

35. Extreme value have no effect ona. average.b. median.c. geometric mean.d. harmonic mean.Answer: B36. What percentage of values is greater the 3rd quartile?a. 75%b. 50%c. 25%d. 0%Answer: C37. Shoe size of most of the people in India is No. 8. Which measure of central valuedoes it represent?a. mean.b. second quartile.c. eighth decile.d. mode.Answer: D38. The median of the variate values 11, 7, 6, 9, 12, 15, 19 isa. 9b. 12c.15d. 11Answer: D39. The median of the variate values 48, 35, 36, 40, 42, 54, 58, 60 isa. 40b. 41c. 44d. 45Answer: D40. The number of partition values in case of quartiles isa. 4b. 3c. 2d. 1Answer: B41. Which of the following is a unitless measure of dispersion?a. standard deviation.b. mean deviation.c. coefficient of variation.d. range.Answer: C42. Which one of the given measures of dispersion is considered best?a. standard deviation.b. range.

c. variance.d. coefficient of variation.Answer: A43. Out of all measures of dispersion, the easiest one to calculate isa. standard deviation.b. range.c. variance.d. quartile deviation.Answer: B44. Mean deviation is minimum when deviations are taken froma. mean.b. median.c. mode.d. zero.Answer: B45. Which measure of dispersion ensures highest degree of reliability?a. range.b. mean deviation.c. quartile deviation.d. standard deviation.Answer: D46. Which measure of dispersion is least affected by extreme values?a. range.b. mean deviation.c. standard deviation.d. quartile deviation.Answer: D47. The average of the sum of squares of the deviations about mean is calleda. variance.b. absolute deviation.c. standard deviation.d. mean deviation.Answer: A48. For a negatively skewed distribution, the correct inequality isa. mode<median.b. mean<median.c. mean<mode.d. none of the above.Answer: C49. For a negatively skewed frequency distribution curve, the third central moment,a. µ3>0b.µ3<0c.µ3=0d.µ3 does not existAnswer: B50. Variance of the following frequency distribution,

CLASSES FREQUENCY2-4 24-6 56-8 48-10 1

Is approximately equal toa. 5b. 9c. 0d. none of the aboveAnswer: B51.If X and Y are two variates, there can be atmosta. one regression line.b. two regression lines.c. three regression lines.d. an infinite number of regression lines.Answer: B52. Scatter diagram of the variate values (X,Y) give the idea abouta. functional relationship.b. regression model.c. distribution of errors.d. none of the above.Answer: C53. If βyx and βxy are two regression coefficients, they have a. a same sign.b. opposite sign.c. either same or opposite signs.d. nothing can be said.Answer: A54. The property if X and Y are independent, then βyx=βxy=0 is called a. fundamental property.b. mean property.c. independence property.d. magnitude property.Answer: C55. The coordinates (X, Y) satisfy the lines of regression ofa. Y on X.b. X on Y.c. both the regression lines.d. none of the two regression lines.Answer: C56. If ρ=0, the angle between the two lines of regression is: a. zero degreeb. ninety degreec. sixty degreed. thirty degree

Answer: B57. The idea of product movement correlation was given bya. R.A.Fisher.b. Sir Frances Galton.c. Karl Pearson.d. Spearman.Answer: C58. If ρ is the simple correlation, the quantity( 1-ρ²) is called a. coefficient of determination.b. coefficient of non determination.c. coefficient of alienation.d. none of the above.Answer: B59. The value of correlation ratio varies froma. -1 to 1b. -1 to 0c. 0 to 1d. 0 to ∞ Answer: A60. If each group consists of one observation only, the value of correlation ratio isa. 0.b. 1.c. between 0 and 1.d. between -1 and 1.Answer: B61. A time series consist ofa. two components.b. three components.c. four components.d. five components.Answer: C62. The general decline in sales of cotton clothes is attached to the component of the timeseriesa. secular trend.b. cyclical variation.c. seasonal variation.d. all of the aboveAnswer: A63. Secular trend is indicative of long term variation towardsa. increase only.b. decrease only.c. either increase or decrease.d. none of the aboveAnswer: C64. Method of least squares to fit in the trend is applicable only if the trend isa. linear.

b. parabolic.c. both (1) and (2).d. neither (1) nor (2).Answer: C65. Cyclic variations in a time series are caused bya. lockouts in a factory.b. war in a country.c. floods in the states.d. none of the aboveAnswer: D66. Trend in a time series meansa. long term regular movement.b. short term regular movementc. both (a) and (b)d. neither (a) nor (b)Answer: A67. The terms prosperity, recession, depression and recovery are in particular attached toa. secular trend.b. seasonal fluctuations.c. cyclic movements.d. irregular variations.Answer: C68. An additive model of time series with the components T, S, C and I isa. Y=T+S+C*Ib. Y=T+S*C*Ic. Y=T+S+C+Id. Y=T+S*C+IAnswer: C69. Moving average method of ascertaining trend is not suitable fora. finding trend values.b. projectionsc. both (1) and (2)d. neither (1) nor (2)Answer: B70. Moving average method suffers froma. loss of information.b. the element of subjectivity.c. the decision about the number of years in groups.d. all of the above.Answer: D71.Link relatives in a time series remove the influence ofa. the trend.b. cyclic variation.c. irregular variationsd. all the aboveAnswer: A

72. First difference method for isolating cycles is applicable if observations pertain toa. yearly data.b. quarterly data.c. monthly data.d. any dataAnswer: A73. In percentage ratio method of measuring cyclic variations one findsa. actual changes.b. relative changes.c. percent ratio changes.d. all the above.Answer: C74. Reference cycle analysis method of measuring cycles is applicable toa. current time series.b. past time series.c. both (1) and (2)d. neither (1) nor (2)Answer: B75. To which component of the time series, the term recession is attached?a. trend.b. seasonal.c. cycles.d. random variation.Answer: C76. If the slope of the trend line is positive, it showsa. rising trend.b. declining trend.c. stagnation.d. all of the above.Answer: A77. Index numbers are also known asa. economic barometersb. signs and guide postsc. both (a) and (b)d. neither (a) nor (b)Answer:C78. Index number is aa. measure of relative changesb. a special type of an averagec. a percentage relatived. all the aboveAnswer: D79. Most commonly used index number isa. diffusion index number.b. price index number.c. value index number.

d. none of the above.Answer: D80. Base period for an index number should bea. a year only.b. a normal period.c. a period of distant past.d. none of the above.Answer: B81. Laspeyre’s index numbers possessa. downward bias.b. no bias.c. upward bias.d. none of the above.Answer: C82. The difference between the index numbers based on n selected items and totalnumber of items is calleda. formula error.b. sampling error.c. homogeneity error.d. none of the above.Answer: B83. Sampling error in respect of index numbers can be reduced bya. taking a random sample of items.b. including large number of items.c. both (a) and (b).d. neither (a) nor (b).Answer: C84. The range of homogeneity error in reference to index numbers is:a. 0 to 1.b. 0 to ∞.c. -1 to 1.d. -∞ to ∞. Answer: A85. Combining of two index number series having different base periods into one serieswith common base period is known asa. splicing.b. base shifting.c. both (1) and (2).d. neither (1) nor (2).Answer: A86. An appropriate method for working out consumer price index isa. weighted aggregate expenditure method.b. family budget method.c. price relatives method.d. none of the above.Answer: B

87. Index of industrial production measures the changes ina. the quantum production.b. the value of products.c. the demand of industrial goods .d. none of the above.Answer: A88. Factor reversal test permits the interchange ofa. base periods.b. price and quantity.c. weights.d. none of the above.Answer: C89. The statement, “Statistics is both a science and an art”, was given bya. R.A.Fisher.

b.Tippet.

c.L.R. Connor.

d. A.L.Bowley .Answer: B90. Which of the following can be classified as hypothetical population?

a. all labourers of a factory.

b. female population of a country.

c. population of real numbers between 0 and 100.

d.students of the world.

Answer: C

91. Mailed questionnaire method of enquiry can be adopted if respondents

a.live in cities.

b. have high income.

c. are educated.

d. are known.

Answer: C

92. Numerical data presented in descriptive form called

a.classical presentation.

b. tabular presentation.

c. graphical presentation.

d. textual presentation.

Answer: D

93.In an exclusive type distribution, the limits excluded are

a.lower limits.

b. upper limits.

c. either of the lower or upper.

d. lower and upper limits both .

Answer: C

94. The column headings of a table are known as

a. sub – titles.

b. stubs.

c. reference notes.

d. captions.

Answer: D

95.Which of the followings is NOT a two-dimensional diagram?

a.bar diagram.

b.Pie-chart.

c.cylinder.

d.a graph.Answer: A96.Profit and loss of a firm during various years can be displayed througha. simple bar diagram.

b. duo-directional bar diagram.

c. deviation bar chart.

d. multiple bar diagram.

Answer: C

97. It is necessary to find commutative frequencies in order to draw an

a.histogram.

b. frequency polygon.

c. ogive curve.

d. column chart .

Answer: C

98.The suitable chart to emphasize the difference between two time series, which one is

at higher level, is

a. range chart.

b. deviation bar chart.

c. paired bar diagrams.

d. band chart .

Answer:

99.Mean is a measure of

a. location.

b. dispersion.

c. correlation.

d. regression.

Answer: A

100.Which of the following is a measure of central value?

a. Median.

b. Standard deviation.

c. Mean deviation.

d.Quartile deviation.

Answer: A

101.Geometric mean is better than other means

a.When the data are positive as well as negative.

b.When the data are in ratios or percentages.

c.When the data are binary.

d.When the data are on interval scale .

Answer: B

102.The correct relationship between A.M, G.M and H.M is

a. A.M=G.M=H.M.

b. G.M ≥A.M≥H.M.

c. H.M≥G.M≥A.M.

d. A.M≥G.M≥H.M.

Answer: D

103. Which mean is most affected by extreme values?

a.Geometric mean.

b.Harmonic mean.

c.Arithmetic mean.

d.Trimmed mean .

Answer: C

104.Graphically partition be determined with the help of

a.frequency polygon.

b.bar diagram.

c.line diagram.

d.ogive curve .Answer: D105. Formula for coefficient of variation is

a. 100.

. XMean

DSVC .

b. 100.

. XDS

MeanVC .

c.Mean

DSVC

.. .

d. DXMeanSVC .. .

Answer: A106.The measure of dispersion which ignores signs of the deviations

from central value is

a.Range.

b.Quartile deviation.

c.Standard deviation.

d.Mean deviation.

Answer: D

107. In a case of positive skewed distribution the relation between

mean, median and mode that hold is

a.median > mean > mode.

b.mean > median > mode.

c.mean = median = mode.

d.mean < median < mode.

Answer: D

108. If for a distribution, coefficient of kurtosis 2ال < 0, the frequency

curve is

a.leptokurtic.

b.platykurtic.

c.mesokurtic.

d.normal curve.Answer: B109.The average of two regression coefficients is always greater than orequal to the correlation coefficient is called:

a.fundamental property

b.signature property

c.magnitude property

d.mean property

Answer: D

110.If r is called simple correlation coefficient, the quantity r2 is known as

a.Coefficient of determination

b.Coefficient of non determination

c.Coefficient of alienation

d.Coefficient of variationAnswer: A111.The range of simple correlation coefficient isa.0 to ∞

b.-∞ to ∞

c.0 to 1

d.-1 to 1

Answer: D

112.The sales of a departmental store on Dushera and Diwali are associated

With the component of a time series:

a.Secular trend

b.Seasonal variation

c.Irregular variation

d.Cyclical variation

Answer: B113.Least square method of fitting a trend isa.Most exact

b. Least exact

c.Full of subjectivity

d.Mathematically unsound

Answer: A

114. If the trend line with 1975 as origin is Y = 20.6 + 1.68X, the trend line with

1971 as origin is

a.Y = 20.6 + 6.72X

b.Y = 13.88 + 1.68X

c.Y = 34.61 + 1.68X

d. Y = 34.61 – 1.68X

Answer: B

115. Consumers price index number is constructed for

a. a well defined section of people

b. all people

c. factory workers only

d. in a group of peoples

Answer: A

116.Laspeyre’s index formula uses the weights of the

a.base year

b.current year

c.average of the weights of a number of years

d.to any arbitary chosen year

Answer: A

117.The weights used in Paaches formula belong to

a. the base period

b. the given period

c. to any arbitary chosen period

d. average of the weights of a number of periods

Answer: B

118. Fishers ideal formula does not satisfy

a. time reversal test

b. circular test

c. factor reversal test

d. unit test

Answer: A

119. The data collected by questionnaires are

a. primary data

b. secondary data

c. published data

d. grouped data

Answer: A

120.Which one of the following is not a sources of secondary data?

a. personal contact

b. Records

c. journal

d. News paper

Answer: A

121.Classification is the process of arranging data in

a. columns

b. rows

c. Columns and rows

d. ascending order

Answer:C

122. When a population is infinite, the appropriate method is

a. census method

b. sample method

c. both the census and sample method

d. neither census nor sample method.

Answer: B

123. Every unit of the population has equal chances of being selected as unit of the

sample in

a. random sampling

b. non-random sampling

c. cluster sampling

d. quota sampling

Answer: A

124. Column headings are

a. titles

b. stubs

c.captions

d. header

Answer: C

125.Diagrams and graphs are tools of

a. collection of data

b. analysis

c. presentation

d. classification

Answer: C

126.The shape of pie diagram is

a. square

b.conical

c. rectangle

d. circular

Answer: D

127.Histograms are

a. one dimensional diagrams

b. two dimensional diagrams

c. three dimensional diagrams

d. none of the above

Answer: A

128.The other name of the cumulative frequency curve is

a. Histogram

b. Ogive

c. Pie chart

d. Bar diagram

Answer: B

129. In a series of observations arithmetic mean is the

a. largest value

b. smallest value

c. middle value

d. centre of gravity

Answer: D

130. It is one of the measures of central tendency

a. mean deviation

b. standard deviation

c. median

d. correlation.

Answer: C

131. The value in a series occurs most frequently is called

a. mean

b. median

c. mode

d. harmonic mean

Answer: C

132.The geometric mean of 2 and 8 is

a. 5

b. 4

c.2

d. 16

Answer: B

133.Second quartile is nothing but

a. mean

b. median

c. mode

d. harmonic mean

Answer: B

134.Which one of the following is not a measure of dispersion ?

a. range

b. standard deviation

c. mean deviation

d. geometric mean

Answer: D

135. Range of 8,12,5,15 is

a.2

b. 5

c. 10

d. 15

Answer: C

136. When mean = 40 S.D = 4 the coefficient of variation is

a. 40b. 100c. 10d. 1/10Answer: C137. Quartile deviation includesa. first 50%b. last 50%c. central 50%d. noneAnswer: C138. Range for the given values 10,10,10,10,10,10, isa. 0b.10c.20d.-10Answer: A139.If Mean=50, mode=45 and s.d= 10 then karl pearson’s coefficient of skewness isa. 0.5b. -0.5c. 2d.-2

Answer: A140. The best average to calculate index numbers isa. A.Mb. G.Mc. H.Md. noneAnswer: B141.The nature of correlation between two variables is known froma. Bar diagramb. Pie diagramc. Pictogramd. Scatter diagramAnswer: D142. The co-efficient of correlation is not affected bya. change of originb. change of scalec. both origin and scaled. noneAnswer: C143.If one of the regression coefficient is negative, the othera. must be positiveb. must be negativec. may be positive or negatived. non-negativeAnswer:B144. When r=1 the two regression lines area. perpendicular to each otherb. parallel to each otherc. coincided. noneAnswer: C145. _________is not a component of time seriesa. Secular trendb. Seasonal variationc. Coefficient of variationd. Cyclic variationAnswer: C146.The regression lines 5x+2y=16 , and 9x+10y=48 intersect ata. 0,8b. 2,3c. 3,2d. 8,0Answer: B147.Most unstable measure of central tendency isa. A.Mb. G.M

c. H.Md. ModeAnswer: D148. Graphical method under dispersion isa. frequency curveb. normal curvec. Lorenz curved. ogiveAnswer: C149.Seasonal variation occur at an interval ofa. 7 yearsb. 5 yearsc. 1 yeard. 2 yearsAnswer: C150. Cyclic fluctuations are caused bya. floodb. warc. striked. noneAnswer: D151.Sum of the deviations taken form mean isa. 0b.-1c.+1d.2Answer: A152.Statistical information is expressed ina. descriptive formb. numerical formc. both descriptive and numerical formd. neither descriptive nor numerical formAnswer: B153.Which average is affected most by extreme observationsa. meanb. medianc. moded. G.MAnswer: A154. If a frequency distribution is positively skewed, the mean of the distribution isa. greater than the modeb. less than the modec. equal to moded. less than the meanAnswer: A155.The trend can be found by the method of least squares

a. if the nature of trend is known.b. if the trend is not linearc. if the trend is lineard. if the nature of the trend is unknown.Answer: C156. Sampling errors are present only ina. complete enumerationb. sample surveyc. both sample and census survey.d. neither census nor sample survey.Answer:B157. _______ is the grouping of related facts into classesa. Classificationb. Tabulationc. Presentationd. AnalysingAnswer: A158.In ______ classification, data are classified on the basis of certain attributea. qualitativeb. quanatitativec. chronologicald. geographicalAnswer: A159. In chronological classification data are classified on the basis ofa. qualityb. quantityc. timed. areaAnswer: C160. The point of intersection of the two ogives isa. meanb. medianc. moded. G.MAnswer: B161. Measure of central tendency is otherwise known as measurea.dispersionb.correlationc.locationd. regressionAnswer: C162. A measure of ______ gives a single representative value for a set of usually unequalvalues.a. dispersionb. central tendencyc. variation

d. relationAnswer: B163. In a symmetrical distribution mean median and mode area. equalb. unequalc. zerod. oneAnswer: A164. All the points lie on a line in a scatter diagram when r=a. +1b. -1c. 1d. 0 Answer:165.The line obtained by the method of least squares is known as the line ofa. best fitb. correlationc. regressiond. noneAnswer: A166. Rank correlation method was developed bya. Karl Pearsonb. R.A. Fisherc. Spearmand. Croxten and cowdenAnswer: C167.________ is the geometric mean of two regression coefficienta. meanb. correlationc. rank correlationd. modeAnswer: B168.Climate and weather conditions causea. cyclic variationb. seasonal variationc. secular trendd. non-secular trend.Answer: B169. Regression coefficients are affected by change ofa. originb. scalec. both origin and scaled. neither origin nor scale.Answer: B170. Median usually lies betweena. mean and modeb. mean and G.M

c. mean and H.Md. G.M and H.MAnswer:171. Population census of India isa. primary datab. census methodc. taken decenniallyd. all of the above are true.Answer: D172. When the coefficient of skewness is zero, the frequency curve isa. U shapedb. J shapedc. Bell shapedd. none of the aboveAnswer:173. The word statistics is used asa. singular word.b. a plural word.c.both singular and plural words.d. neither singular nor plural word.Answer:174.Statistics isa. a quantitative science.b. a qualitative science.c. both quantitative and qualitative science.d. neither quantitative nor qualitative science.Answer:175.Statistics considersa. single item.b. a set of items.c.either a single item or a set of items.d. neither a single item nor a set of items.Answer: C176.Statistics cana. prove anything.b.disprove anything.c. neither prove nor disprove anything but it is just a tool.d. none of these.Answer: C177.Statistics can be considered asa. an art.b.a science.c. both an art and a science.d. neither an art nor a science.Answer: C178.Number of sources of data is

a.2b.3c.4d.5Answer: A179.Number of methods of collection of primary data isa.2.b.3.c.4.d.5.Answer: D180.Number of questions in a questionnaire should bea.5.b..10.c.maximum.d.minimum.Answer: D181.Sources of secondary data area.Published sources.b.Unpublished sources.c.Neither published sources nor unpublished sources.d.Both published and Unpublished sources.Answer: D182.Compared with primary data, secondary data area.more reliable.b.less reliable.c.equally reliable.d.none of these.Answer: D183.Tabulation is the process of arranging data ina.different columns.b.different rows.c.different columns and rows.d.grouping of related facts in different classes.Answer: C184.Classifying the data on time basis is known asa.Geographical.b.Chronological.c.Serial.d.Calendar.Answer: B185..Exclusive class intervals suita.discrete variables.b.continuous variables.c.both.d.neither.

Answer: B186.Number of class intervals should bea.less than 10.b.5.c.20.d.between 5 and 20.Answer: D187.Column headings area.titles.b.stubs.c.captions.d.none of these.Answer: C188.Captions and stubs should be ina.alphabetical order.b.chronological order.c.traditional order.d.any one of these orders.Answer: D189. Special purpose tables area.reference tables.b. repository tables.c.summary tables.d.work tables.Answer: C190. Complex tables area.one-way tables.b.two-way tables.c.higher order tables.d.two-way or higher order tables.Answer: D191. A continuous variable can assume anya.Fractional value.b.Qualitative value.c.Infinite value.d.None of the above.Answer: A191. Diagrams and graphs are tools ofa.Collection of data.b.analysis .c.presentation.d.summarisation.Answer: C192. In a bar diagrama.only height is considered.b.only width is considered.

c.both height and width are considered.d.height, width and thickness are considered.Answer: A193.If the cost of a component is Rs. 500 and the total cost is Rs.2500, the percentagefor representing this in a percentage bar diagram isa.20.b.25.c.50.d.72.Answer:A194.The shape of Pie diagram isa.Square.b.Conical.c.Oval.d.Circular.Answer: D195. Pie diagram is superior to bar diagram asa.it involves less calculations.b.it depicts absolute values.c.it is easy to draw.d.it signifies relative importance of each item.Answer: B196. Graphs of frequency distributions area.Bar digram.b.Histograms.c.Pie charts.d.none of these.Answer: B197. Geometric mean of 2 and 4 isa. 4b. 2c.-2d.8Answer: B198. If correlation coefficient is negative then the two regression coefficient must bea. positiveb. negativec. zerod. either positive or negativeAnswer: B199. If one value of the regression coefficient exceeds unity then other regressioncoefficient must bea. lesser than oneb. greater than onec. zerod. equal to one

Answer: A200.In general the relationship between A.M,G.M and H.M isa. A.M>G.M>H.Mb. A.M <G.M<H.Mc. G.M>A.M>H.Md. A.M>G.M>H.MAnswer: A201. Find the median for the values 4,45,60,20,83,19,26,11,27,12,52a. 26.b. 19.c. 83.d. 20.Answer: A202. Calculate median 35,23,45,50,80,61,92,40,52,61.a. 50.b. 51.c. 61.d. 60.Answer: B203. Find mode 23,35,28,42,62,53,35,28,42,35,23,42,35.a. 23.b. 28.c. 42.d. 35.Answer: D204. Find mode from the values 40,25,60,35,81,75,90,10.a. 46.b. 47.c. 45.d. 40.Answer: A205. Calculate median from the values 48, 86,29,32,5,10,18.a. 29.b. 32.c. 10.d. 18.Answer: A206. Find median 86,93,42,25,85,29.a. 63.b. 64.c. 63.5.d. 64.5.Answer: C207. Find mode 23, 26, 34, 37, 38,23, 21.a. 26.b. 21.

c. 34.d. 23.Answer: D208. Mode =a. 3 median- 2 mean.b. 2 median- 3 mean.c. 3 median+ 2 mean.d. 2 median+ 3 mean.Answer: A209. Find mode 2,4,1,5,6,5,7,5,8a. 1.b. 2.c. 3.d. 5.Answer: D210. Find mode 45,67,87,76,45,23.a. 45.b. 45.5.c. 43.d. 23.Answer: A

211. Collection of facts from a survey conducted by other industry isa. Census.b. Primary datac. Secondary data.d. News.Answer: C212. The shape of Pie diagram isa. Square.b. Conical.c. Oval.d. Circular.Answer: D213. The other name of cumulative frequency curves isa. Histogram.b. Bars.c. Ogive.d. Pie diagram.Answer: C214. The best mean to find the average percentage of increase isa. Arithmetic mean.b. Geometric mean.c. Harmonic mean.d. Weighted mean.Answer: B215. Leptokurtic means the distribution of frequencies is

a. More peaked.b. Normal.c. Flat.d. Scattered.Answer: A216. Correlation analysis deals witha. Two attributes.b. Two variables alone.c. Variables.d. Averages.Answer: C217. Population census isa. Secondary data.b. Collection of data.c. Primary data.d. Rare data.Answer: C218. Classifying the data on time basis is known asa. Geographical.b. Chronological.c. Serial.d. Calendar.Answer: B219. To calculate the average speed of vehicles, the most suitable method isa. Arithmetic mean.b. Geometric mean.c. Harmonic mean.d. Median.Answer: B220. Standard deviation is used to know thea. Quantity of data.b. Consistency of data.c. Classification of data.d. Statistics.

Answer: B221. Correlation between the number of children born and the number of train accident isa. Positive correction.b. Spurious correlation.c. Negative correlation.d. Rank correlation.Answer: B222. In paache’s Index Number priority is given to the price ofa. Current year.b. Base year.c. Future year.d. None of the above.

Answer: D223. Gathering information from the periodicals isa. Primary data.b. Secondary data.c. Census.d. Sample.Answer: B224. One of the parts of the table isa. Stub.b. Figures.c. Number.d. Margin.Answer: A225. To find the percentage of increase or decrease in rates, the suitable average isa. Hormonic mean.b. Geometric mean.c. Mode.d. Median.Answer: B226. Standard deviation will reveal the quality ofa. Arithmetic mean.b. Average.c. Median.d. Range.Answer: D227. Proportion between width and height of a diagram is__________.a. 1:1.414.b. 1:2.c. 1:2.414.d. 2:1.Answer: A228. Bar diagram are _______ dimensional diagram.a. One.b. Two.c. Three.d. Four.Answer: A229. In percentage bar diagram, the heights of the bars are ___________.a. Unequal.b. Equal.c. Large.d. None.Answer: B230. The total of the angles of the sectors of a pie diagram is ________ degrees.a. 180.b. 45.

c. 60.d. 360.Answer: D231. Graphs of time erie are called________.a. Hitorigrams.b. Hitograms.c. Pie charts.d. Bar diagrams.Answer: A232. __________ is the uitable form of graph to represent a frequency distribution.a. Hitorigrams.b. Hitograms.c. Pie charts.d. Bar diagrams.Answer: B233. Ogives are known also as ______ frequency curves.a. Cumulative.b. Histograms.c. Bars.d. Pie diagrams.Answer: A234. The points of intersection of the le than and the more than ogives corresponds toa. Mean.b. Mode.c. Median.d. Range.Answer: C235. X coordinate of the point of intersection of both the ogives is________.a. Mean.b. Mode.c. Median.d. Range.Answer: C236. If the cost of component is Rs.500 and the total cost is Rs.2500,the percentage forrepresenting this in a percentage bar diagram isa. 20.b. 25.c. 50.d. 72.Answer: A237. When an item of expenditure is 20 per cent of the total expenditure, the angle of thecorresponding sector in the pie diagram isa. 20 degrees.b. 40 degrees.c. 72 degrees.d. 200 degree.

Answer: D238. Find the average of all the numbers between 6 and 34 which are divisible by 5.a. 18.b. 20.c. 24.d. 30.Answer: B239. The average of first five multiples of 3 isa. 3.b. 9.c. 12.d. 15.Answer: B240. A student was asked to find the arithmetic mean of the numbers3,11,7,9,15,13,8,19,17,21,14 and x. he found the mean to be 12.what should be thenumber in place of x?a. 3.b. 7.c. 17.d. 31.Answer: B241. The average of first 50 natural numbers isa. 12.25b. 21.25c. 25d. 25.5Answer: D242. The mean of 1 2 ,2 2 , 3 2 ,4 2 ,5 2,6 2 ,7 2 isa. 10.b. 20.c. 30.d. 40.Answer: B243. The average of all odd numbers upto 100 isa. 49.b. 49.5.c. 50.d. 51.Answer: C244. If a,b,c,d,e are five consecutive numbers, their average isa. 5(a+4).b. abcde/5.c. 5(a+b+c+d+e).d. (a+b+c+d+e)/5.Answer: D

245. The radii of the circles in a pie diagram which represent two families with totalexpenditures of Rs. 10,000 and Rs. 40,000 should be in the ratioa. 10000:40000.b. 1:3.c. 1:2.d. 3:2.Answer: C246. The most important two dimensional diagram isa. Pie diagram.b. Rectangular diagram.c. Square diagram.d. Bar diagram.Answer: A247. Squares are________ dimensional diagrams.a. one.b. two.c. three.d. four.Answer: B248. For any given data, frequency polygon and frequency curve are drawn alonga. Same points.b. Different points.c. Equal points.d. Nothing can be said.Answer: A249. The areas enclosed by histogram and frequency polygon area. Equal.b. Unequal.c. Nothing can be said.d. Large.Answer: A250. The other name of cumulative frequency curve isa. Hitogram.b. Bars.c. Ogive.d. Pie diagram.Answer: C