The owner of several used-car dealerships believes that the selling price of a used car can best
Question:
The owner of several used-car dealerships believes that the selling price of a used car can best be predicted using the car’s age. He uses data on the recent selling price and age of 20 used sedans to estimate Price = β0 + β1Age + .
AÂ portion of the Excel results is as follows:
a. What is the point estimate for β1? Interpret this value.
b. What is the sample regression equation?
c. Predict the selling price of a 5-year-oldsedan.
Transcribed Image Text:
Coefficients Standard Error tStat P-value Intercept 21187.94 733.42 28.89 1.56E-16 9.37 241E-08 Age 1208.25 128.95
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Related Book For
Essentials Of Business Statistics Communicating With Numbers
ISBN: 9780078020544
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly
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