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OpenStudy (anonymous):

STATISTICS. We are learning how to model a scatterplot using a linear regression. Why is it that in a residual plot, the mean is equal to 0? Recall that the values of the residuals may be determined by: residual = (actual y-val) - (predicted y-val)

OpenStudy (anonymous):

So residuals are like the values we are off by

OpenStudy (anonymous):

This is going to be zero only for unbiased estimator.

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