It has been hypothesized that there is no difference in the mathematical ability of men and women. To test this hypothesis, decision was taken to use the Mann-Whitney-Wilcoxon test. A sample of men and women were given math tests. The scores on the tests are given below.
Women
Men
Person
Score
Person
Score
1
95
1
80
2
86
2
87
3
100
3
93
4
100
4
95
5
99
5
97
6
98
6
82
7
88
7
89
8
92
8
86
9
94
9
75
10
89
10
82
11
79
?
To test the null hypothesis, the appropriate probability distribution to use is
A. normal.
B. chi-square.
C. t distribution.
D. binomial.
Answer: A
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