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    Statistics - Test Value

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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 = .05, what is the test value?
    Women Men
    Sample size 40 70
    Mean effect 7 6.75
    Sample variance 2.5 4.5

    A) 0.70 B) 1.97 C) 0.36 D) 1.42

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