Question: For this question, you have to do two analyses. Using Chapter 11 Data Set 5, compute the t score for the difference between two groups

For this question, you have to do two analyses. Using Chapter 11 Data Set 5, compute the t score for the difference between two groups on the test variable (named score).

Then, use Chapter 11 Data Set 6 and do the same. Notice that there is a difference between the two t values, even though the mean scores for each group are the same.

What is the source of this difference, and why—with the same sample size—did the tvalue differ?

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