Which quadratic regression equation best fits the data set?

x y

0 31

1 29

2 28

4 22

6 19

10 11

11 8

Answers:

yˆ=31.179x^2+2.051x-0.002

yˆ=-0.002x^2-2.051x-31.179

yˆ=-0.002x^2-2.051x+31.179

yˆ=31.179x^2-2.051x-0.002

Question

Adyson Lucas

Mathematics

22 January, 09:15

Which quadratic regression equation best fits the data set?

x y

0 31

1 29

2 28

4 22

6 19

10 11

11 8

Answers:

yˆ=31.179x^2+2.051x-0.002

yˆ=-0.002x^2-2.051x-31.179

yˆ=-0.002x^2-2.051x+31.179

yˆ=31.179x^2-2.051x-0.002

+4

Answers (2)

Know the Answer?

Breean · Answer 1

The third equation is correct. The easiest way to solve a problem like this is to plug the x-values from the chart into the equations and see which one equals the y-value in the chart.

Anton Wilkerson · Answer 2

are you sure it's true. Has anyone taken the test?

Which quadratic regression equation best fits the data set?x y0 311 292 284 226 1910 1111 8Answers:yˆ=31.179x^2+2.051x-0.002yˆ=-0.002x^2-2.051x-31.179yˆ=-0.002x^2-2.051x+31.179yˆ=31.179x^2-2.051x-0.002

Which quadratic regression equation best fits the data set?

x y

0 31

1 29

2 28

4 22

6 19

10 11

11 8

Answers:

yˆ=31.179x^2+2.051x-0.002

yˆ=-0.002x^2-2.051x-31.179

yˆ=-0.002x^2-2.051x+31.179

yˆ=31.179x^2-2.051x-0.002