# Question

The data from Exercise 4.65 for the ages at inauguration and of death for the presidents of the United States are on the WeissStats CD.

In exercise

The Information Please Almanac provides data on the ages at inauguration and of death for the presidents of the United States. We give those data on the WeissStats CD for those presidents who are not still living at the time of this writing.

a. Decide whether use of the linear correlation coefficient as a descriptive measure for the data is appropriate. If so, then also do parts (b) and (c).

b. Obtain the linear correlation coefficient.

c. Interpret the value of r in terms of the linear relationship between the two variables in question.

In exercise

The Information Please Almanac provides data on the ages at inauguration and of death for the presidents of the United States. We give those data on the WeissStats CD for those presidents who are not still living at the time of this writing.

a. Decide whether use of the linear correlation coefficient as a descriptive measure for the data is appropriate. If so, then also do parts (b) and (c).

b. Obtain the linear correlation coefficient.

c. Interpret the value of r in terms of the linear relationship between the two variables in question.

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