How does the cost of a movie depend on its length? Data on the cost (millions of dollars) and the running time (minutes) for major release films in one recent year are summarized in these plots and computer output:

a) Explain in words and numbers what the regression says.
b) The intercept is negative. Discuss its value, taking note of the P-value.
c) The output reports s = 32.95. Explain what that means in this context.
d) What€™s the value of the standard error of the slope of the regression line?
e) Explain what that means in this context.

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200 150 100 50 80 100 120 140 160 180 200 Run Time (minutes Dependent variable is: Budget SM) R-squared = 15.4% 32.95 with 120 2118 degrees of freedom Variable Coefficient SE(Coeff) t-Ratio P-Value Intercept 31.39 Run time 17.12 0.15 1.83 0.0693 4.64 <0.0001 0.71 100 20 40 60 80 100 120 140 100 Normal Scores