290 Fundamentals of Statistics
On the basis of the percentages you can quickly observe that for most
departments calculus is not a prerequisite for statistics, except for courses
in the math or science departments in which more than one-third of the
courses have such a requirement.
How do these percentages compare to the overall total number of respon-
dents in the survey? Let’s fi nd out.
To calculate percentages of the total responses in the survey:
1 Right-click any cell in the PivotTable and click Value Field Settings
from the pop-up menu.
2 Click the Show values as tab and select % of total from the Show
values as list box. Click the OK button. Figure 7-15 shows the revised
PivotTable.
Figure 7-14
Two-way table
of percentages
Figure 7-15
Percentages
of the total