Question: 14. The null and alternative hypotheses are: H0 : 1 2 = 0 H1 : 1 2 0 A random sample of

14. The null and alternative hypotheses are: H0 : μ1 − μ2 = 0 H1 : μ1 − μ2 ≠ 0 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 0.10 significance level, is there a difference in the population means? Note: Use the five-step hypothesis testing procedure for the following exercises:

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