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Basic Analysis and Graphing - SAS

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314 Creating Summary Charts Chapter 11<br />

Example of the Chart Platform<br />

This bar chart shows the following:<br />

• The mean height of the students in this class increases with age.<br />

• The largest increase occurs at the earliest ages.<br />

• The mean changes very little for the older students.<br />

You might expect the change of the mean height to be different for males <strong>and</strong> females.<br />

7. From the red triangle menu for Chart, select Script > Relaunch <strong>Analysis</strong>.<br />

The Chart launch window appears, already filled out for you. If you clicked OK now, you would see a<br />

duplicate of the chart you already have.<br />

8. Open the Additional Roles outline.<br />

9. Select sex <strong>and</strong> click Grouping.<br />

10. Click OK.<br />

Figure 11.4 Mean of height by age <strong>and</strong> Grouped by sex<br />

These two bar charts confirm your assumption. The mean of height for girls in the class rises early <strong>and</strong> then<br />

remains stable. The mean of height for boys rises more dramatically overall, <strong>and</strong> also continues to increase at<br />

later ages.

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