Dispersion (Measures of Variability) Introduction and Definition : MeasuresofCentraltendencyarecalledaveragesoffirstorder,butthesearenot sensitive to the variability among…

1. Most frequency distributions exhibit a central tendency ie:- a shape such that the bulk of the observations pile up in the area between 2 extremes. There are 3 principal…

Slide 1 Teaching Critical Thinking in a Statistics Course Prabha Betne LaGuardia Community College Mathematics Department November 18, 2006 NYSMATYC Region IV Conference…

Slide 1 Mean, Median, Mode and Range of a Data Set Line of best fit Statistics Constructing Frequency Tables (Tally Tables) Interpreting Graphs. Stem and Leaf Diagram Drawing…

Slide 1 Warm-up 2.4 (Day 2) Sketch the bar graph and complete 1-3. 2.4 H.W. Answers #53 and 54 #53 a. The median, where 50% of the data lies, is below $0.25. b. Q1 (The 25%…

12.1 Measures of Central Tendency Objectives: Find the mean, median, and mode and range of a data set. Find or estimate the mean from a frequency table of data. Standards:…

Mean, Median, Mode and Range of a Data Set Line of best fit Statistics Constructing Frequency Tables (Tally Tables) Interpreting Graphs. Stem and Leaf Diagram Drawing Graphs…