A researcher randomly sampled 30 graduates of an MBA program and recorded data c

Question

A researcher randomly sampled 30 graduates of an MBA program and recorded data concerning their starting salaries. Of primary interest to the researcher was the effect of gender on starting salaries. Analysis of the mean salaries of the females and males in the sample is given below. Referring to Table 10-2, the researcher was attempting to show statistically that the female MBA graduates have a significantly lower mean starting salary than the male MB. graduates. According to the test run, which of the following is an appropriate alternative hypothesis?

Explanation / Answer

They want to test that female MBA graduates have a significantly lower mean starting salary than the male MBA graduates.

Therefore the hypothesis is as follows

Ho:mean of female salary =mean of male salary

H1 : mean of female salary < mean of male salary

Option B is correct

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