# 10: Hypothesis Testing about Two Population Means and Proportions


• 10.1: Inference for Categorical Data
This chapter 6 introduces inference in the setting of categorical data We will find that the methods we learned in previous chapters are very useful in these settings. Sample proportions are well characterized by a nearly normal distribution when certain conditions are satisfied, making it possible to employ the usual confidence interval and hypothesis testing tools.
• 10.2: Hypothesis Testing with Two Samples
You have learned to conduct hypothesis tests on single means and single proportions. You will expand upon that in this chapter. You will compare two means or two proportions to each other. To compare two means or two proportions, you work with two groups. The groups are classified either as independent or matched pairs.
• 10.3: PowerPoints

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