Question: Suppose we would like to determine if two different studying methods lead to different mean exam scores among students at some university. We select a
Suppose we would like to determine if two different studying methods lead to different mean exam scores among students at some university. We select a random sample of 20 students to use each studying method and record their exam scores. Does the mean exam score studying method 1 less than the mean exam score studying method 2. Assume that the variances of the two populations are not equal. The hypotheses are ... H_0:_(method 1)_(method 2) H_a:_(method 1)<_(method 2)
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