Chapter 11 – Data Analysis and Interpretation: Part I. Describing Data, Confidence Intervals, Correlation
Chapter 11
Data Analysis and Interpretation: Part I. Describing Data, Confidence
Intervals, Correlation
1. (p. 351–352) Describe the advantages and disadvantages of the three measures of central
tendency: mean, median, mode.
2. (p. 357) Why is a confidence interval also called a “margin of error”?
3. (p. 359) What does the width of a confidence interval tell us, and how does the size of a
sample affect the width of a confidence interval for a population mean?
