APFIVE Inference for Comparing Two Means
A researcher wants to determine if a new teaching method improves student test scores. They randomly assign 40 students to either the new method or traditional method and compare mean test scores. Which inference procedure is most appropriate?
A
One-sample z-test for a proportion
B
Chi-square test for independence
C
Matched pairs t-test
D
Two-sample t-test for difference in means
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