Noting [hat women seem mare interesled in emotions than men, a researcher in the eld Df women's studies wandered ll: women recall emotional evenls better than men. She decides lu gather some data on [he maen Arr experiment is conducted in which eight randomly selected men and women are shown 20 highly emotional photographs and then asloed to recall them 1 week after the Showing. The following recall data are obtained. Scores are percent correct; one man failed to shimI up for the recall test. 75 85 85 92 53' 7B 77 SD 83 83 SB 94 SS 90 89 Since the results of the experiment were very close to being signicant, the researcher decides to replicate that experiment, only time increasing the power by increasing nr. This study included in men and 10 women. The following results are obtained. 7? 85 85 87 66 85 73 89 SD 93 SB 93 82 85 81 91 7? 90 SO 94 Using m = 0.052 '3\". what do you conclude this time? tum: tcnt= : A physics instructor believes that natural lighting in classrooms improves student learning. He conducts an experiment in which he teaches the same physics unit to two groups of seven randomly assigned students in each group. Everything is similar for the groups, except that one of the groups receives the instruction in a classroom that admits a lot of natural light in addition to the incandescent lighting while the other uses a classroom with only incandescent lighting. At the end of the unit, both groups are given the same endiofiunit exam. There are 20 possible points on the exam; the higher the score, the better the performance. The following scores are obtained. Natural Plus Incandescent Incandescent Lighting Lighting Only """"""""" i 415 16 11 16 12 19 12 14 11 21 15 17 14 Using a = 0.05213\