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Question 992:

A test is given to graduates of tw buisness schools A and B. The scores are given out of 100. Test whether the school differ in quality by using Mann- Whitney U- test with a 10% level of significance.
Test Scores
School A 97 69 73 84 76 92 90 88 84 87 93
School B 88 99 65 69 97 84 85 89 91 90 87 91 72
For your convenience, the following information is provided:
R1=134.5, R2=165.5
Tabulated value of test of test statistic=1.645 at 0.10

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