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 unexplained variation must be _______.
A) 9430
B) 8100
C) 6780
D) 9250
E) 8710
Correct Answer:
Verified
Correct Answer:
Verified
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