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In checking assumptions for a multiple regression model which I have recently parameterized I find clear heteroscedasticity, indicated by the classic trumpet horn pattern with

In checking assumptions for a multiple regression model which I have recently parameterized I find clear heteroscedasticity, indicated by the classic "trumpet horn" pattern with the trumpet's bell occurring at higher predicted values of Y.What would be the implications of using such a model for predicting values of the independent variable?

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