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Workers and senior-level bosses were asked if it was Yes No seriously unethical to monitor employee e-mail. The results Workers 191 249 are summarized in the table to the right. Use a 0.05 39 83 significance level to test the claim that the response is Bosses independent of whether the subject is a worker or a boss. Click the icon to view the critical values of x2 table. a. State the null and the alternative hypotheses. Choose the correct answer below. A. The null hypothesis: Response is independent of whether the subject is a worker or a senior-level boss. The alternative hypothesis: There is some relationship between response and whether the subject is a worker or a senior-level boss. O B. The null hypothesis: There is some relationship between response and whether the subject is a worker or a senior-level boss. The alternative hypothesis: Response is independent of whether the subject is a worker or a senior-level boss b. Assuming independence between the two variables, find the expected frequency for each cell of the table. Table of expected frequencies Yes No Workers Bosses (Round to the nearest tenth as needed.) i Critical values of chi-square X Critical Values of x2: Reject Ho Only If x? > Critical Value Table size Significance level (rows X columns) 0.05 0.01 2 x 2 3.841 6.635 2 x 3 or 3 x 2 5.991 9.210 3 x 3 9.488 13.277 2 x 4 or 4 x 2 7.815 11.345 2 x 5 or 5 x 2 9.488 13.277 Print Done