Cereal and Calories Refer to Data Set 16 in Appendix B.

a. Find the regression equation that expresses the dependent variable of calories in terms of the independent variable of the amount of fat.

b. Find the regression equation that expresses the dependent variable of calories in terms of the independent variable of the amount of sugar.

c. Find the regression equation that expresses the dependent variable of calories in terms of the independent variables of the amount of fat and the amount of sugar.

d. For the regression equations found in parts (a), (b), and (c), which is the best equation for predicting the number of calories? Why?

e. Is the best regression equation identified in part

(d) a good equation for predicting the number of calories? Why or why not?