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    T test for the comparing two population means

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    A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial they wish to determine whether there is a difference between the effectiveness for women and for men. At a=5, what is the test value?

    ................................Women..........Men
    Sample Size................50................80
    Mean Effect..................7...............6.95
    Sample variance..........3..................4

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    Solution Summary

    This solution is comprised of a step-by-step method for computing test statistic for independent sample t test.

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