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. Females Males sample size 18 12 sample mean $48,266.7 $55,000 sample stand. deviation $13,577.63 $11,741.29 Std. Error=4,764.82 Means Diff.=- 6,733.3 Z= - 1.4528 2-tailed p value=0.1463 t = - 1.4221 2-tailed p value = 0.1574 Referring to Table 1, the researcher was attempting to show statistically that the female MBA graduates have a significantly lower mean starting salary than the male MBA graduates. The correct test statistic is:

          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.

Females Males
sample size 18 12
sample mean $48,266.7 $55,000
sample stand. deviation $13,577.63 $11,741.29

Std. Error=4,764.82

Means Diff.=- 6,733.3 Z= - 1.4528 2-tailed p value=0.1463

t = - 1.4221 2-tailed p value = 0.1574

Referring to Table 1, the researcher was attempting to show statistically that the female MBA graduates have a significantly lower mean starting salary than the male MBA graduates. The correct test statistic is:

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.

Females Males
sample size 18 12
sample mean 48,266.755,000
sample stand. deviation 13,577.6311,741.29

Std. Error=4,764.82

Means Diff.=- 6,733.3 Z= - 1.4528 2-tailed p value=0.1463

t = - 1.4221 2-tailed p value = 0.1574

Referring to Table 1, the researcher was attempting to show statistically that the female MBA graduates have a significantly lower mean starting salary than the male MBA graduates. The correct test statistic is:

Added by Brian G.

Question

Please give Ace some feedback