In a simple linear regression, the least squares line turns out to be y = 120 + 4x.The observed value of y when x = 10 is 182.The residual value for x = 10 must be 22.

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Quizplus · Accepted Answer

The residual value is the difference between the observed value and the predicted value. The predicted value for x = 10 is 120 + 4(10) = 160. Therefore, the residual value is 182 - 160 = 22.

In a Simple Linear Regression, the Least Squares Line Turns