SCENARIO 10-2
a Researcher Randomly Sampled 30 Graduates of an MBA

SCENARIO 10-2
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. The
result of the pooled-variance t-test of the mean salaries of the females (Population 1) and males
(Population 2) in the sample is given below.
-Referring to Scenario 10-2, the researcher was attempting to show statistically that the female MBA graduates have a significantly lower mean starting salary than the male MBA graduates.
Which of the following is an appropriate alternative hypothesis? a) $H _ { 1 } : \mu _ { \text {females } } > \mu _ { \text {males } }$
b) $H _ { 1 } : \mu _ { \text {females } } < \mu _ { \text {males } }$
c) $H _ { 1 } : \mu _ { \text {females } } \neq \mu _ { \text {males } }$
d) $H _ { 1 } : \mu _ { \text {females } } = \mu _ { \text {males } }$

Correct Answer:

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