37 - Comparing proportions

Is there a shift in men’s risk taking behavior when women are present?

Practice

Chapter 22 # 9, 11, 23, Read page 523

Vocabulary

pooling, two-proportion z-test

Study Questions

1. When do we pool? what does pooling mean?
2. Comment on the necessity of independence and randomization condition for hypothesis tests and confidence intervals for the difference in two proportions.

Resources

1. Slide Deck: 37-Comparing-proportions