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An important application of regression in manufacturing is the estimation of cost of production. Based on the data below relating cost (Y) to volume (X),

An important application of regression in manufacturing is the estimation of cost of production. Based on the data below relating cost (Y) to volume (X), what is the cost per widget?

Production Volume (units) Total Cost ($)

400 4384

450 4722

550 5233

600 6091

700 6664

750 6734

425 4423

475 4905

575 5746

625 5709

725 7081

775 7094

SELECT THE CORRECT ANSWER BELOW

A. 8.21

B. 8.75

C. 7.38

D. 7.54

E. None of the answers are correct

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