APFIVE Inference for Comparing Two Means
A researcher conducted an experiment to compare a new teaching method to a traditional one. Forty students were randomly assigned to be taught by either the new method or the traditional method. After the instructional period, the mean test scores of the two groups were compared. Which of the following is the most appropriate inference procedure for this study?
A
Chi-square test for independence
B
Matched pairs t-test
C
One-sample z-test for a proportion
D
Two-sample t-test for difference in means
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