141 Introduction: Distribution of Differences in Sample Proportions (35/36) -- Statistics for the Social Sciences

141 Introduction: Distribution of Differences in Sample Proportions What you’ll learn to do: Recognize when to use a two population proportion hypothesis test to compare two populations/treatment groups. LEARNING OBJECTIVES - Recognize when to use a hypothesis test or a confidence interval to compare two population proportions or to investigate a treatment effect for a categorical variable. - Determine if a study involving two proportions is an experiment or an observational study. - Describe the sampling distribution of the difference between two proportions. - Draw conclusions about a difference in population proportions from a simulation.