A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part...

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A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part...

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. Assume α = 0.05. What is the test value?

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

A. t = 3.252
B. t = 0.151
C. z = 0.455
D. z = 0.081

Please post the steps in solving the problem as I want to understand the process. Thank you!

math Statistics-And-Probability

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Answer 1

Answer #1

from above option B is correct

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Answer 2

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