Several exercises in Chapter 7 showed that attendance at American League baseball games increased with the number of runs scored. But fans may respond more to winning teams than to high-scoring games. Here is a regression of average attendance on both the average runs per game and the number of games won during the 2016 season:

a) What is a proper interpretation of the coefficient of Sugar/serving?
Here is another regression, now with protein (g/serving) as a second predictor:

b) What is a proper interpretation of the coefficient of Sugar/serving in this regression?
c) How can you account for the change in Sugar coefficient values?

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Response variable is: Calories/serving R-squared = 37.4% s = 0.3443 Variable Intercept Sugar/serving Coefficient 6.92032 -3.91491