An analyst for an oil company has developed a formal linear regression model to predict the sales
Question:
Ŷ = b0 + b1 X1
where
Ŷ = average monthly sales in gallons
X = square foot area of station property
X1 = X - (difference from the mean)
Some empirical results were
a. What does r2 mean?
b. Interpret the parameter estimates b0 and b1.
c. Is the X1 variable significant? At what level?
d. A new station is proposed with 30,000 sq. ft. What would you predict sales to be? What assumptions underlie the estimate?
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Related Book For
Marketing Research
ISBN: 978-1118156636
11th edition
Authors: David A. Aaker, V. Kumar, Robert Leone, George S. Day
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