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A random sample of 8 observations from another population

The null and alternate hypotheses are:

H0: μ1 = μ2
H1: μ1 ≠ μ2

A random sample of 10 observations from one population revealed a sample mean of 23 and a sample standard deviation of 4. A random sample of 8 observations from another population revealed a sample mean of 26 and a sample standard deviation of 5. At the .05 significance level, is there a difference between the population means?

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