147 Introduction: Estimate the Difference Between Population Proportions (40/36) -- Statistics for the Social Sciences

147 Introduction: Estimate the Difference Between Population Proportions What you’ll learn to do: Construct and interpret confidence intervals to compare two population/treatment group proportions. LEARNING OBJECTIVES - Construct a confidence interval to estimate the difference between two population proportions (or the size of a treatment effect) when conditions are met. Interpret the confidence interval in context. - Interpret the meaning of a confidence level associated with a confidence interval and describe how the confidence level affects the margin of error. - Given the description of a statistical study, evaluate whether conclusions are reasonable.