Consider the following set of samples obtained from two normally distributed populations whose variances are equal:
Sample 1:
11.2
7.4
8.7
13.5
Sample 2:
11.7
9.5
15.6
16.5
11.3
Suppose that the samples were independent. Perform a test of hypothesis to determine if there is a difference in the two population means. Use a significance level of 0.05. Also Estimate the p-value approximately.
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