Question: Stratify the participants by gender:

1. Calculate the mean age and standard deviation for each gender group;
2. Median age and age range for each gender group;
3. Use analysis of variance or a t-test to determine whether mean age is different in the two gender groups;
4. Use a Kruskal-Wallis or Wilcoxon (see Mann-Whitney test in Minitab) to test for a difference in median ages between the two gender groups.
5. Compare your findings in parts 2.c. and d.

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