1. ~==~~~~~~~~ ITEMS • Instructional Topics in Educational Measurement ~~========~NCME Instructional Module onReliability of Scores FromTeacher-Made TestsDavid A. FrisbieThe…

Slide 1Copyright © 2010 Pearson Education, Inc. Slide 4 - 1 Suppose that 30% of the subscribers to a cable television service watch the shopping channel at least once a…

1. Chapter 5 Statistical Concepts: Creating New Scores to Interpret Test Data 2. Norm Referencingvs. Criterion Referencing Norm-referenced vs. Criterion Referenced Testing…

Objectives The student will be able to: find the variance of a data set. find the standard deviation of a data set. SOL: A.9 2009 Variance Variance is the average squared…

Slide 1 Warm Up Problem  Solve for x: 6x + 1 = 37 Slide 2 Histograms Lesson 12-2 Slide 3 Objectives  I can construct histograms.  I can analyze histograms. Slide…

Measures of Variability Variability: describes the spread or dispersion of scores for a set of data Measures of Variation Range: difference between the highest and lowest…

Objectives The student will be able to: find the variance of a data set. find the standard deviation of a data set. Variance Variance is the average squared deviation from…

Tuesday, Oct 30 5 Minute Check Make a line plot for the data set. Find the median, mode, range and any outliers. Describe the data. Daily high temperatures in degrees Fahrenheit:…