AP Statisticsmediummcq1 pt
A confidence interval for the difference of two proportions does NOT pool because
A.no assumption of equal proportions is made
B.pooling is always required
C.the sample sizes differ
D.z is undefined
Explanation
Core Concept
Intervals estimate the difference freely.
Correct Answer
Ano assumption of equal proportions is made
More Unit 6: Inference for Categorical Data: Proportions practice questions
- easyA test's p-value is 0.001. This provides
- mediumA poll's interval is 0.48 to 0.52 at 95 percent confidence with n = 2500. Doubling n roughly
- mediumWhich z* pairs with a 99 percent confidence level?
- mediumWhich z* pairs with a 90 percent confidence level?
- mediumA two-sided test for a proportion doubles which quantity?
Practice more AP Statistics questions with full explanations
Practice Unit 6: Inference for Categorical Data: Proportions Questions →