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The following data are available for a simple linear regression analysis attempting to link hours of training (x) to hourly output (y).

The following data are available for a simple linear regression analysis attempting to link

hours of training (x) to hourly output (y).

x y

training output

5 120

4 150

8 240

2 90

The least squares line would predict _______ units of output per hour when training is 7 hours.

A.168

B.190

C.204

D.218

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