Question

Mama's Pizza restaurant chain would like to understand which variable most strongly influences the amount of sales of the deep-dish pizza. They have gathered data on the number of monthly sales (in 100's) of deep-dish pizzas and the amounts month on advertising at 20 of their restaurants. Below are the results of the linear regression to predict the number of month 100's) based on monthly advertising (in $1,000's). SUMMARY OUTPUT - Regression Model to Predict Monthly Sales (in 100's) based on Monthly Advertising (in $1,000's) Regression Statistics Multiple R 0.8556 R Square 0.7321 Observations 20 Coefficients Standard Error t Stat P-value Lower 95% Up -330.32 103.05 -3.206 0.00490 -546.81 Intercept Advertising (in $1,000's) 18.23 6.12 2.979 0.00805 5.37 Part 1: What is the independent (X) variable and the dependent (Y) variable? (2 marks) X =

Answer 1