TABLE 10-2 A Researcher Randomly Sampled 30 Graduates of an MBA Program

question 170

Multiple Choice

TABLE 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 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 MBA graduates. From the analysis in Table 10-2, the correct test statistic is

• A) -6610.
• B) -1.3763.
• C) -1.7011.
• D) 0.0898.

---

Definitions:

Median

The midpoint of a set of scores.

Mean and Median

Statistical terms where mean refers to the average of a set of numbers, and median is the middle value when these numbers are arranged in order.

Measure of Central Tendency

A statistical measure that represents the center point or typical value of a dataset, commonly identified via the mean, median, or mode.

Variance

A statistical measure that represents the degree of spread or dispersion of a set of data points, calculating the average of the squared differences from the mean.