In testing the significance of a multiple regression model in which there are three independent variables, the null hypothesis is Ho: β0 = β1 = β2 = β3.

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In testing the significance of a multiple regression model with three independent variables, the null hypothesis typically states that all the coefficients of the independent variables are equal to zero, not that they are equal to each other or to the intercept. The correct null hypothesis would be Ho: β1 = β2 = β3 = 0, assuming β0 is the intercept.

In Testing the Significance of a Multiple Regression Model in Which