In the January 2004 issue of Consumer Reports, an article titled Cut the Fatdescribed some of the

In the January 2004 issue of Consumer Reports, an article titled €œCut the Fat€described some of the possible problems in the diets of the U. S. public. The following table gives data on the increase in pounds of added sugar produced per person. Construct a time-series plot to display the increase in sugar production.

a. Describe the trend in sugar production over the 30 years.
b. Compute the correlation coefficient between calorie intake (using the data in Exercise 3.67) and sugar production. Is there strong evidence that the increase in sugar production is causing the increased calorie intake by the U. S. public?

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Year Pounds of Sugar 1970 1975 1980 9 1990 1995 2000 119 114 120 128 132 144 149