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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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