Question: If including an interaction between two variables increases the practical utility of the model: If including an interaction between two variables increases the practical utility

If including an interaction between two variables increases the practical utility of the model:

If including an interaction between two variables increases the practical utility of the model:

R2will be lower and 2s will be higher in the model with the interaction term

R2will be higher and 2s will be lower in the model with the interaction term

R2will be higher and 2s will be lower in the model without the interaction term

R2will be lower and 2s will be lower in the model without the interaction term

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