In a multiple regression analysis,if the regression coefficient of a dummy variable is significant and has a sample value of 100,then the dummy variable's effect on the dependent variable is: no effect,or an increase of 100.

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If the regression coefficient of a dummy variable is significant and has a value of 100, it indicates that the presence of the dummy variable is associated with an increase of 100 in the dependent variable, compared to the reference category.

In a Multiple Regression Analysis,if the Regression Coefficient of a Dummy