A large company examines the annual salaries for all of the men and women performing a certain job and finds that the means and standard deviations are $32,120 and $3,240, respectively, for the men and $34,093 and $3521, respectively, for the women. The best way to determine if there is a difference in mean salaries for the population of men and women performing this job in this company is
A) to compute a 95% confidence interval for the difference.
B) to subtract the two sample means.
C) to test the hypothesis that the population means are the same versus that they are different.
D) to test the hypothesis that the population means are the same versus that the mean for men is higher.

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The Answer of A large company examines the annual salaries for all of the men and women performing a certain job and finds that the means and standard deviations are $32,120 and $3,240, respectively, for the men and $34,093 and $3521, respectively, for the women. The best way to determine if there is a difference in mean salaries for the population of men and women performing this job in this company is
A) to compute a 95% confidence interval for the difference.
B) to subtract the two sample means.
C) to test the hypothesis that the population means are the same versus that they are different.
D) to test the hypothesis that the population means are the same versus that the mean for men is higher.

A Large Company Examines the Annual Salaries for All of the Men