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Question

mywalden Student Portal x | D corse Home Page xDo Homework-tammy deaver x+ /www.mathul.com/Student/Playeromework.aspa?homeworkdd-500012431aquestionld-38flushed-truešicd-51 STAT-3001 P.3/STAT-3001 L-3/STAT-3001-3-Statistical Methods2018 Fall Quarter 08/27-11/18-PT3 Homework: Week 5 Assignment Score: 0 of 9 pts 10.2.15 Workers and senior-level bosses were asked i d was senously unethical to monitor employee e-mail. The results are summarized in the table to the right Use a 005 significance level to test the claim that the response is ndependent of whether the subject is a worker or a boss Yes No 200 247 39 81 a. State the null and the alternative hypotheses Choose the correct answer below A. The nul hypothesis There is some relationship between response and whether the sutject is a worker or a senior level boss The alternative hypothesis. Response is independent of whether the subject i The alternative hypothesis. There is some relationship is a worker or a senior-level boss #3. The rul hypothesis Response is ineperdent of whether he ut-et is "oner or "mirirellon between response and whether the subject is a worker or a senior-level boss b. Assuming independence between the two variabiles, Sind the expected frequeney for each cell of the table Table of expected requencies No Yes Workers Bosses Round to the nearest tenth as needed ) Enter your answer in the edit tields and then clck Check Anseer remaning eno

Explanation / Answer

                 Yes                No                 Total

Workers     200              247                 447

Bosses       39                81                   120

Total            239             328                  567

b) Table of expected frequencies

                              Yes               No

Workers     447 * 239 / 567 = 188.4             447 * 328 / 567 = 258.6

Bosses       120 * 239 / 567 = 50.6            120 * 328 / 567 = 69.4