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What is the quadratic regression equation for the data set?

yˆ=-0.004x2+0.415x-0.546

yˆ=-0.004x2-0.415x-0.546

yˆ=0.004x2+0.415x+0.546

yˆ=-0.004x2-0.415x+0.546

x y

50 10

30 11

11 5

35 9

50 12

20 3

90 7

+2
Answers (2)
  1. 2 May, 22:23
    0
    y = - 0.004x^2+0.415x-0.546

    Step-by-step explanation:

    Verified correct with K12 test.
  2. 2 May, 22:38
    0
    The correct answer is y=-0.004x^2+0.415x-0.546

    Step-by-step explanation:

    Fiddling on Desmos Graphing Calculator got me the answer.
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