Costco sells paperback books in their retail stores and wants to examine the relationship between the prices and sales. The price of a particular novel was adjusted each week and the weekly sales are in the following table. Management would like to use a simple linear regression model that uses prices to predict sales. The coefficient of determination for this sample is equal to ________.
A) 0.273
B) 0.311
C) 0.392
D) 0.450

Question

Costco sells paperback books in their retail stores and wants to examine the relationship between the prices and sales. The price of a particular novel was adjusted each week and the weekly sales are in the following table. Management would like to use a simple linear regression model that uses prices to predict sales.  The coefficient of determination for this sample is equal to ________.
A) 0.273 
B) 0.311 
C) 0.392 
D) 0.450

Quizplus · Accepted Answer

The Answer of Costco sells paperback books in their retail stores and wants to examine the relationship between the prices and sales. The price of a particular novel was adjusted each week and the weekly sales are in the following table. Management would like to use a simple linear regression model that uses prices to predict sales.  The coefficient of determination for this sample is equal to ________.
A) 0.273 
B) 0.311 
C) 0.392 
D) 0.450

Costco Sells Paperback Books in Their Retail Stores and Wants