Question: a. Prepare the analysis of variance table by using excel, copy your output into your answer sheet. b. Test the null hypothesis that the three

a. Prepare the analysis of variance table by using excel, copy your output into your answer sheet. b. Test the null hypothesis that

a. Prepare the analysis of variance table by using excel, copy your output into your answer sheet. b. Test the null hypothesis that the three population mean scores are the same.(Please use ANOVA table)

Two tutoring services offer crash courses in preparation for the CPA exam. To check on the effectiveness of these services, 15 students were chosen. Five students were randomly assigned to service A, 5 were assigned to service B, and the remaining 5 did not take a crash course. Their scores on the examination, expressed as percentages, are given in the table. (15 points / 10 points) Service A Course Service B Course No Course 72 79 74 74 69 71 92 87 81 67 81 61 85 64 63 Two tutoring services offer crash courses in preparation for the CPA exam. To check on the effectiveness of these services, 15 students were chosen. Five students were randomly assigned to service A, 5 were assigned to service B, and the remaining 5 did not take a crash course. Their scores on the examination, expressed as percentages, are given in the table. (15 points / 10 points) Service A Course Service B Course No Course 72 79 74 74 69 71 92 87 81 67 81 61 85 64 63

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