In Exercises 9–14, assume that samples of differences are obtained through dependent sampling and follow a normal distribution. Calculate and .
14.
Subject | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
---|---|---|---|---|---|---|---|---|
Sample 1 | 105 | 88 | 103 | 97 | 115 | 125 | 122 | 92 |
Sample 2 | 110 | 95 | 108 | 97 | 116 | 127 | 125 | 95 |