Question: Two groups of ten sprinters run 100 meters. The times required by sprinters in the first group are as follows:
13.7 14.2 13.2 11.3 12.6 10.0 10.1 14.1 13.8 13.2
The times required by sprinters in the second group are as follows:
17.3 10.6 14.0 15.9 15.1 13.4 18.9 17.2 17.6 10.1
Assuming that a = 0.05, test the hypothesis that the means of the two populations are equal.
• State the null and alternate hypotheses
• Calculate the mean and standard deviation for each group
• Calculate the value of the test statistic.
• Determine the critical value(s).
• State your decision: Should the null hypothesis be rejected?

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