A plot of the residuals versus the predicted values y can be used to check for a

Question

A plot of the residuals versus the predicted values y can be used to check for a constant variance as well as to make sure that the linear model is adequate. Which of the following is not a property of a graph that indicates a constant variance and an adequate fit for a linear model? The residuals will have a sample mean of 1 which will be the center of the curved pattern demonstrated by the data points. The graph should indicate the same vertical spread for all values of Y. There should be no apparent patterns in the graph. The graph should appear as a random scatter of points about zero on the residua's axis.

Explanation / Answer

D)

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