The file P11_45.xlsx contains monthly sales for a photography studio and the price charged per portrait during
Question:
a. If the price of a portrait during month 21 is $30, predict month 21 sales.
b. Discuss how you can tell whether autocorrelation, multicollinearity, or heteroscedasticity might be a problem.
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Related Book For
Data Analysis and Decision Making
ISBN: 978-0538476126
4th edition
Authors: Christian Albright, Wayne Winston, Christopher Zappe
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