7.105 Two-sample test versus matched pairs test, continued.
paired
Refer to the previous exercise. Perhaps an easier way to see the major difference in the two analysis approaches for these data is by computing 95% confidence intervals for the mean difference.
7.105
(a) (−2.859, 1.153). (b) (−1.761, 0.055). (c) The estimates (centers) are the same, but the margin of error for the two-sample procedure is much larger than for the matched pairs procedure.