The National Association of Theatre Owners is the largest exhibition trade organization in the world, representing more
Question:
a. Construct a regression equation in which total U.S. box office grosses are predicted using the other variables.
b. Produce the appropriate residual plots to determine if the linear function is the appropriate regression function for this data set.
c. Square each of the independent variables and add them to the model on which the regression equation in part a was built. Produce the new regression equation.
d. Use a residual plot to determine if the quadratic model in part c alleviates the problem identified in part b.
e. Construct a probability plot to determine if the error terms are normally distributed for the updated model.
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Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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