A colleague of the investigators is Problem 11 repeats the experiment but matches the
samples on the dimensions of sex and job type. the raw data appear below. Evaluate
her experiment using the criteria of p < .05. Assume it is a two-tailed test.

Pairs: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Contr: 38 40 35 36 35 32 31 30 28 26 24 21 18 34 22

Relax: 35 32 30 34 30 32 28 27 22 22 18 17 17 25 21