Question: The null and alternate hypotheses are:

Ho: \({{\mu }_{1}}={{\mu }_{2}}\)

H1: \({{\mu }_{1}}\ne {{\mu }_{2}}\)

A random sample of 15 observations from the first population revealed a sample mean of

350 and a sample standard deviation of 12. A random sample of 17 observations from the

second population revealed a sample mean of 342 and a sample standard deviation of 15.

At the .10 significance level, is there a difference in the population means?

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