Name _______________________________________ Date __________ Block _______
Chapter 5: Describing Distributions Numerically
Read Chapter 5 (pgs 73-89) Complete the following reading guide using
only your textbook to answer the questions.
1. Explain the difference between range and interquartile range. Why is the
interquartile often a better measure of the spread of a distribution?
2. What is the five number summary?
3. What is a boxplot?
4. Give the step-by-step process used to test for outliers.
5. What are 2 advantages of boxplots?
6. When is it more appropriate to use the mean as a measure of center rather
than the median? Why?
5 pts
7. When is it more appropriate to use the median as a measure of center rather
than the mean? Why?
8. When do the mean and median have the same value?
9. Describe the relationship between variance and standard deviation.
Write a brief summary of Chapter 5 here: