EXAMPLE 8 Assessing symmetry using the Ti-83/84
Figure 14.10: FIGURE 10 The age data are symmetric.
In Example 18 in Chapter 9, we examined a random sample of young women who were admitted with the diagnosis of anorexia nervosa to the Toronto Hospital for Sick Children. Use the TI-83/84 to assess the symmetry of the ages of these women (data on page 526).
Solution
Figure 10 shows the TI-83/84 boxplot of the ages of the young women. The whiskers are of approximately equal length, and the median line is situated approximately in the center of the box. We therefore conclude that the age data are symmetric.
NOW YOU CAN DO
Exercises 11–14.