Question: Using the data from Exercise 10.15, assume you collected exam scores from 1000 students whose mean difference score and standard deviation were exactly the same

Using the data from Exercise 10.15, assume you collected exam scores from 1000 students whose mean difference score and standard deviation were exactly the same as those you calculated as part of the calculations for the paired-samples t statistic in Exercise 10.15(a).

a. Using a two-tailed test and a p level of 0.05, identify the critical t values and make a decision regarding the null hypothesis.

b. How did changing the sample size affect our decision regarding the null hypothesis?

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