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 was conducted. Which test was more than likely used to discern if a significant difference existed between salaries for males and females?

Select one:

a. simple regression

b. correlation coefficient

c. 2-group independent t test

d. chi-square test

A researcher randomly sampled 30 graduates of an MBA program, whose salaries at the time of joining the MBA program were known, and recorded data concerning their starting salaries. Of primary interest to the researcher was the effect of earning an MBA on salaries. Analysis of the mean salaries of the before and after was conducted. Which test was more than likely used to discern if a significant difference existed between salaries for males and females?

Select one:

a. 2-group independent t test

b. correlation coefficient

c. paired t-test

d. simple regression

A quality control manager needs to discern if the spread of the weight of dog food in the 5 pound bags of Yummy Mix are not significantly out of control (too heavy or too light). He would most likely utilize which of the following statistics?

Select one:

a. Standard deviation

b. Mode

c. Median

d. Central tendency

Answer 1