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Which quadratic regression equation best fits the data set?

yˆ=0.155x2−4.074x−38.910y^=0.155x2−4.074x-38.910

yˆ=0.155x2−4.074x+38.910y^=0.155x2−4.074x+38.910

yˆ=38.910x2−4.074+0.155y^=38.910x2−4.074+0.155

yˆ=38.910x2−4.074−0.155y^=38.910x2−4.074-0.155

x y

0 39

1 35

2 31

4 26

6 19

10 15

11 12

Guest Nov 7, 2018