6. Inference for Categorical Data(COLON) Proportions

Confidence Intervals And Hypothesis Tests For The Difference Of Two Population Proportions — Quiz

Test your understanding of confidence intervals and hypothesis tests for the difference of two population proportions with 5 practice questions.

Practice Questions

Question 1

In a confidence interval for the difference of two population proportions, what parameter is being estimated?

Question 2

Which expression is used as the point estimate for the difference of two population proportions?

Question 3

A $95\%$ confidence interval for $p_1 - p_2$ is $(-0.08, 0.14)$. What is the best conclusion?

Question 4

For a two-proportion significance test with null hypothesis $H_0: p_1 - p_2 = 0$, what does a P-value represent?

Question 5

Which condition is needed for using a two-sample $z$ confidence interval for $p_1 - p_2$?