1. Assume that a sample of differences for the matched pairs in the table follows a normal distribution, and perform Steps (a) and (b).
| Subject | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|
| Sample 1 | 100.7 | 110.2 | 105.3 | 107.1 | 95.6 | 109.9 | 112.3 | 94.7 |
| Sample 2 | 104.4 | 112.5 | 105.9 | 111.4 | 99.8 | 109.9 | 115.7 | 97.7 |
10.99.1
(a) , (b) (–4.0376, –1.3374)