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 total sum of squares for this sample is equal to ________.
A) 18.86
B) 21.56
C) 22.86
D) 26.93

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 total sum of squares for this sample is equal to ________.
A) 18.86 
B) 21.56 
C) 22.86 
D) 26.93

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 total sum of squares for this sample is equal to ________.
A) 18.86 
B) 21.56 
C) 22.86 
D) 26.93

Costco Sells Paperback Books in Their Retail Stores and Wants