In Exercise 2.14 (page 73), you examined the relationship between the percent of the population over 65 and the percent under 15 for the 13 Canadian provinces and territories.
Make a scatterplot of the two variables if you do not have your work from Exercise 2.14.
Find the value of the correlation r.
Does this numerical summary give a good indication of the strength of the relationship between these two variables? Explain your answer.