2.64 Skillbuilder Applet Exercise demonstrates the effect one data value can have on the mean and on the median.

a. Move the red dot to the far right. What happens to the mean? What happens to the median?

b. Move the red dot to the far left. What happens to the mean? What happens to the median?

c. Which measure of central tendency, the mean or the median, gives a better sense of the center when a maverick (or outlier) is present in the data?

Median Mean 50 60 70 80 90 Heights