Question: The test scores shown in Table 14.11 were recorded by two different professors for two sections of the same course. Using the Mann Whitney test

The test scores shown in Table 14.11 were recorded by two different professors for two sections of the same course. Using the Mann Whitney test and α = 0:05, determine whether the locations of the two distributions are equal.

Why might the median be a better measure of location than the mean for these data?

Table 14.11 Data for Exercise 3. PROFESSOR A B 74 75 78

Table 14.11 Data for Exercise 3. PROFESSOR A B 74 75 78 80 68 87 NK F F F F 72 81 76 72 69 73 71 80 74 76 68 78

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