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Find the best fit linear dаta:

X. Y

-3. 196

-2. 139

-1. 82

0. 25

1. - 32

2. - 89

3. - 146

A. y=-57x+25

B. y=-57

C. y=57x

D. y=57x+25

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Answers (1)
  1. 24 June, 01:16
    0
    Dy/dx = (139-196) = (82-139) = (25-82) = constant=-57

    So this is just a line with a slope of - 57, and we can see that the y-intercept (the value of y when x=0) is 25, thus the line is:

    y=-57x+25
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