Question: 5.Two groups of ten sprinters run 100 meters.  The times required by sprinters in the first group are as follows:
10.2  12.3  12.5  10.4  11.1  11.5  10.8  11.8  13.4  10.0
The times required by sprinters in the second group are as follows:
15.5  15.2  16.0  12.4  17.4  19.7  14.8  10.4  15.8  11.9
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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