Question

Suppose you want to take a random sample of GMAT test scores to determine whether there is any significant difference between the GMAT scores for the test given in March and the scores for the test given in June. You gather the following data from a sample of persons who took each test. Use the Mann-Whitney U test to determine whether there is a significant difference in the two test results. Let α = .10.
March . June
540 ... 350
570 ... 470
600 ... 630
430 ... 590
500 ... 610
510 ... 520
530 ... 460
560 ... 550
550 ... 530
490 ... 570



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  • CreatedFebruary 19, 2015
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