AP Statistics / Unit 1: Exploring One-Variable Data and Collecting Data
1.9 Comparisons of the Distributions for One Quantitative Variable
Notes
Compare shape, outliers, center and spread, using comparison words ("greater than," "about the same as") and context.
Practice
Which is a proper comparison?
Use comparative language.
Two boxplots have equal medians but A's box is much wider. Then:
Wider IQR means more spread.
When comparing distributions, you should always:
Name the variable and groups.
Ready for more? Take the Unit 1 test.