A student working on a summer internship in the economic research office of a large corporation studied
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Parameter Estimated Value 95% Confidence Interval
Intercept...................7.43119...............-1.18518 ; 16.0476
Slope......................0.755048...............0.452886 ; 1.05721
(a) The student concluded from these results that there is a linear association between Y and X. Is the conclusion warranted? What is the implied level of significance?
(b) Someone questioned the negative lower confidence limit for the intercept, pointing out that dollar sales cannot be negative even if the population in a district is Zero. Discuss.
Corporation
A Corporation is a legal form of business that is separate from its owner. In other words, a corporation is a business or organization formed by a group of people, and its right and liabilities separate from those of the individuals involved. It may...
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Marketing Research
ISBN: 9781119497639
13th Edition
Authors: V. Kumar, Robert P. Leone, David A. Aaker, George S. Day
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