In order to determine whether or not a driver's education course improves the scores on a driving exam, a sample of 6 students were given the exam before and after taking the course. The results are shown below.
Let d = Score After - Score Before.
a.Compute the test statistic.
b.At 95% confidence using the p-value approach, test to see if taking the course actually increased scores on the driving exam.
Definitions:
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