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AP® Statistics

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Inferential Procedures

APSTAT-VYYWYK

A marathon director is curious how the marathon times of men compare to those of women. She randomly selects $100$ men and $100$ women and wishes to estimate the marathon time differences between men and women.

What inferential procedure should she choose?

A

Matched pairs T-test.

B

Two-sample T-test.

C

Two-sample T-interval.

D

Two-sample Z-test.

E

Chi-squared test for association.