A Business Analytics professor wants to test whether the variance of midterm exam grades is the same for Accountings majors and Marketing majors. She collects a sample of grades from 8 Accounting majors and 12 marketing majors, and those grades are shown below. If she wants to use Excel's F-test for Equality of Variances as an upper one-tail test, which group's scores should she use as Variable 1? Accounting Marketing 78 88 85 89 89 93 91 78 95 77 83 90 85 67 74 67 100 80 98 99 Group of answer choices She should instead use Anova: Single Factor to test whether the variances are the same. It doesn't matter. Marketing majors Accounting majors