364 Statistical Methods
Now create a scatter plot of the data in the range H1:I81.
To create the scatter plot of the observed scores versus the predicted
scores:
1 Click Single Variable Charts from the StatPlus menu and then click
Fast Scatterplot.
2 Click the x-axis button and then click the Use Range References
option button and select the range H1:H81 from the worksheet. Click
the OK button.
Figure 9-6
Predicted
and observed
calculus
scores
To copy the observed scores:
1 Select the range B29:B109 and click the Copy button from the
Clipboard group on the Home tab.
2 Click the Calculus Data sheet tab.
3 Select the range H1:H81; right-click the selection and click Insert
Copied Cells from the popup menu to paste the predicted values
into column H.
4 Click the Shift Cells Right option button to move the observed cal-
culus scores into column I; then click OK.
The predicted calculus scores appear in column H, as shown in
Figure 9-6 (formatted to show the column labels).