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A testing company comes up with a new program to help students perform well on the...

A testing company comes up with a new program to help students perform well on the SAT. In an effort to show the effectiveness of the program, the company randomly selects 50 high school juniors and administers the SAT to them. Over the next 6 weeks, those 50 students participate in the new program and at the end are tested again. A repeated measures t test produces the following results: t(49) = 3.2048, p = .0015. What's the conclusion?

answer choices

Fail to reject the null; the program was beneficial

Fail to reject the null; the program produced no difference in test performance

Reject the null; there was no difference in performance pre- vs post program

Reject the null; the students did better after the program

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Answer #1

P value = 0.0015  

If P value ..................then we reject H0.

Reject the null; the students did better after the program

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