mmmnl IUN a: o F-test Name: Rating: Course: School: USE THE 7 STEPS IN TESTING THE HYPOTHESIS 1. On the following four groups of teaching attitude, test the null hypothesis that academic performance does not vary due to teaching attitude. Superior Above Average Average Below Average 90 85 80 78 89 36 B2 76 88 B4 B3 75 94 33 B1 77 93 BB 80 75 2. In a learning experiment, 1D 35 are randomly assigned to each of four groups. Each group is asked to perform a set of tasks after exposure to the experimental treatment. Do the groups differ in task performance? Group 1 Group 2 Group 3 Group 4