Chapter 3: Describing Data

Topic
Page(s) Lecture Let's Do It!
Chapter Goals 1
Numerical Descriptive Measures 3
Arithmetic Mean 5
Limitations of the Mean 7 5.1, 5.2
Median 9
Properties of the Median 10
Mode 11
Which Measure to Use? 14 5.5
Percentiles 16
Box Plots 18 5.7
Measures of Variability 22
Range 24 5.8
Variance 29
Standard Deviation 30
Linear Transformations 35
Standardization 37