In testing the significance of a multiple regression model with three independent variables, the null hypothesis is $H _ { 0 } : \beta _ { 1 } = \beta _ { 2 } = \beta _ { 3 }$ .

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The null hypothesis for testing the significance of a multiple regression model is $H_0: \beta_1 = \beta_2 = \beta_3 = 0$, indicating that none of the independent variables have an effect.

In Testing the Significance of a Multiple Regression Model with Three