Consider the situation in which a human resources manager wishes to determine whether the median number of days of sick leave per year is greater for female employees than for male employees.
The following data represent random samples of males and females:
Males Females
5 14
10 5
0 13
9 7
2 8
7 0
5 7
10 10
3 6
1 5
If the manager is unwilling to assume that the populations are normally distributed, which of the following is the correct conclusion to reach if the test is conducted using a .05 level of significance?
A) Reject the null hypothesis
B) Conclude that females do have a higher median than males
C) Do not reject the null hypothesis
D) Conclude that males have a higher median than females
Question 2
Assume you are conducting a two-tailed Mann-Whitney U test for a small sample and have found that U1 = 58 and U2 = 86. What is the value of the test statistic?
A) 58
B) 86
C) 72
D) 144
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The birth weight of human infants is tightly constrained by natural selection.
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Determine the legnth of x to the nearest tenth of a metre
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