382 Statistical Methods
Out of 37 female faculty, only 5 have salaries greater than what would be
predicted if they were males, whereas 32 have salaries less than predicted.
Calculate the descriptive statistics for the residuals to determine the average
discrepancy in salary.To calculate descriptive statistics for female faculty’s salaries:1 Click the Female Faculty worksheet tab.
2 Click Descriptive Statistics from the StatPlus menu and then click
Univariate Statistics.
3 Click the All summary statistics and All variability statistics
checkboxes.
4 Click the Input button, click the Use Range References option button,
and select the range H1:H38. Click OK.
5 Click the Output button, and select the new worksheet Female
Residual Stats as the output destination. Click OK.
6 Click OK to generate the table of descriptive statistics shown in
Figure 9-19.Figure 9-18
Scatter plot
of residuals
versus
predicted
values for
female
faculty