Which linear regression equation best fits the given points? (0,8), (1,6), (1,7), (2,4), (2,5), (4,1), (5,1), (6,0) yˆ=−2/5x yˆ=−7/5x+7.6 yˆ=2/5x+7.6 yˆ=−7/5x

We are going to choose a line:
 y = -7 / 5x + 7.6
 To verify that it is the line that best suits, we evaluate some points.
 For (0, 8):
 y = -7 / 5 (0) +7.6
 y = 7.6
 For (6, 0)
 y = -7 / 5 * (6) +7.6
 y = -0.8
 For (1, 6)
 y = -7 / 5 * (1) +7.6
 y = 6.2
 We observe that the results are very similar to the coordinate y of each point evaluated.
 Therefore, the equation is a good approximation.
 
 A linear regression equation that best fits the given points is:
 y = -7 / 5x + 7.6

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