=+8. Here is the scatterplot of the variables in Exercise 7 with regression lines added for each kind of movie:

300 50 100 150 200 250 300 Budget ($M)

200 US Gross ($M)

100 The regression model is:

Dependent variable is: USGross($M)

R-squared = 0.3674, Adjusted R-squared: 0.3491 s = 58.24 with 107 - 3 = 104 degrees of freedom Variable Coefficient SE(Coeff) t-ratio P-value Intercept 34.0262 10.6595 3.192 0.00187 Budget 0.7902 0.1143 6.912 60.0001 R Rating 9.9217 18.8666 0.526 0.60009 Budget*R Rating -0.6679 0.3798 -1.758 0.08163