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Find the test statistic value for two mean tests in large sample.

A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to find out whether there is a difference between the effectiveness for women and for men. At α = .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

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922073

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