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    Multiple Regression - Number of Variables

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    Since a multiple regression can have any number of explanatory variables, how do we decide how many variables to include in any given situation?

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    Because a multiple regression can include an unlimited number of explanatory variables, it is important to know how to determine which variables to include in the model in any given situation. The main consideration is to decide whether or not the variable is significant to the regression based on theory. One ...

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    The expert determines how to decide how many variables to include in any given situation.The solution contains 188 words of text.