Multiple Choice
Suppose you have done a simple linear regression analysis using a sample of 50 data points in an attempt to find a linear connection between worker overtime hours (x) and worker productivity (y) for employees of Sky Marketing Enterprises.The correlation coefficient turned out to be -.80. If total variation in y was 22500, then explained variation (SSR) must be _____.
A) 13600
B) 4300
C) 4840
D) 11900
E) 14400
Correct Answer:

Verified
Correct Answer:
Verified
Q81: Partial regression results from a sample of
Q82: Suppose you have done a simple linear
Q83: In simple linear regression, the variable that
Q84: Tennis coach Ben Gordon is trying to
Q85: In simple linear regression, an r<sup>2</sup> value
Q87: Application of the least squares method to
Q88: Larger values of r<sup>2</sup> imply that the
Q89: The manager of a local shopping mall
Q90: A local shopping mall would like to
Q91: A regression analysis linking demand (y in