Question: Q1 1. Describe with text on how to graphically check if the variance of the error terms is constant or not constant in the context

Q1 1. Describe with text on how to graphically check if the variance of the error terms is constant or not constant in the context of the following multiple regression model Y - 3, + 3, * X, + 8, *X, +6, Also describe with text the consequences that the variance of the error terms error is non-constant when estimating a regression model. (10p)

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