The following data shows the age at diagnosis of Type II diabetes in young adults. is the age at diagnosis different for males and females?

Male 19, 22, 16, 29, 24

Female 20, 11, 17, 12

1. State the null and alternative hypotheses for the study.

2. Is there a statistically significant difference between the ages of male and female students at a significance level (alpha) of 0.05?

(Critical values for Mann-Whitney U-test (Wilcoxon rank-sum test) can be found in Table 5 of Appendix of your textbook)

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