An important application of regression in manufacturing is the estimation of cost of production. Based ondata below from Ajax Widgets relating cost (Y) to volume (X), what is the cost of producing 600 widgets

Prod Vol (units) Total Cost ($)

400 3430

450 4080

550 4878

600 4884

700 5913

750 6402

425 4273

475 4362

575 5089

625 5446

725 6017

775 6591

Answers would be

A:5206

B: None are correct

C:5826

D:6312

E:6954