pharmaceutical company is testing the effectiveness of a new drug for lowering c

Question

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. The data set summari output below. If we assume that the population variances are equal value? 11. A zed in the Minitab , what is the 1% critical Descriptive Statistics: M, F VariableNN Mean SE Mean StDev Minimum Q1 Median Q3 Maximum 8 0 34.75 7 37.57 11.65 30.82 10.00 23.00 32.00 50.00 75.00 )3012 (B) 1.771 (C)2650 (D) 3.707 (E) 3.143

Explanation / Answer

Here we have given that the two groups as male and female.

We have to test the two means.

Assume alpha = level of significance = 0.01

Now we have to find critical value.

We can find critical value in excel.

syntax :

=TINV(probability, deg_freedom)

where probability = 0.01

deg_freedom = n1+n2-2 = 8+7-2 = 13

Critical value = 3.012

Option A) is correct.

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