Solve the Problem Using Your Calculator

Multiple Choice

Solve the problem using your calculator.
-The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands) . Use linear regression to find a linear function that predicts the number of products sold as a
Function of the cost of advertising.

A) y = 26.4 + 1.42x
B) y = -26.4 - 1.42x
C) y = 55.8 + 2.79x
D) y = 55.8 - 2.79x