1. Conducting multiple tests to determine if multiple pairs of means from the same data are different will increase your chance of making at least one Type I error.
a. True
b. False
2. Using the sample data below, conduct an ANOVA to determine if there is a significant main effect:
Group 1: 74, 62, 59, 78, 65, 90, 45, 51, 67, 71
Group 2: 88, 90, 54, 79, 85, 78, 92, 74, 89, 77
Group 3: 72, 86, 93, 91, 80, 79, 84, 75, 78, 92