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    Degree of Freedom and T-Distribution

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    Use the t-distribution table to find the critical value(s) for the indicated alternative hypothesis, level of significance ?, and sample sizes n? and n?. Assume that the samples are independent, normal, and random. Answer parts (a) and (b).
    H?: µ? ? µ?, ? = 0.10, n? = 14, n? = 13
    (a) Find the critical value(s) assuming the population variances are equal.

    (b) Find the critical value(s) assuming that the population variances are not equal.

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    Solution Preview

    (a) I assume the this is a two-tailed test.
    Assume that the population variances are equal.
    The degree of ...

    Solution Summary

    The solution determines the degree of freedom and t-distribution.

    $2.19

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