Which of the following stages of retirement means that retirees come to grips with the realities of retirement and feel fulfilled with the new phase of life?

Although the range is a good measure of variation in a data set because it gives us information about the distance between the most extreme values, it does have one peculiar drawback. What is that concern?

a. The range cannot be used on data sets that do not have at least ten different values. b. The range is easily distorted by extreme values in a data set. c. The range is distorted when a data set has the same value that appears more than once. d. The range is changed when the standard deviation of the data set turns negative.

According to the text, which is the most physically addictive of the following drugs?

A) Codeine B) Morphine C) Marijuana D) LSD