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    Five-step hypothesis testing procedure

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    The null and alternate hypotheses are:

    H0:µ1= µ2

    H1:µ1 ≠µ2

    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?

    Note: Use the five-step hypothesis testing procedure for the following exercises.

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    Solution Summary

    Five-step hypothesis testing procedure on Students t test.

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