'12 Does college major depend on gender? Researchers ask a group of college students about their majors. They also group the : students by their gender. The data are recorded in the contingency table below, and the rst few steps of a chi-square test of independence are summarized. (The observed values are above the expected values.) --m 27 25 19 71 Men 34.7 21.8 14.5 17 9 Women 20.2 13.5 Column Total 0 H0: Gender does not affect college major (they are independent). Ha: Gender affects college major (they are dependent). . o: = 0.05 ks; . . . The test statistic. X0 = 7.417. Determine the critical value using the following portion of the x-table. . s. i 1 4- Previous i - 3 0