How many independent variables are used in simple linear regression?

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Multiple Choice

How many independent variables are used in simple linear regression?

Explanation:
In simple linear regression, you use one predictor variable to explain variation in the outcome. The standard equation is y = β0 + β1 x + ε, where x is the single independent (predictor) variable. If you had two predictor variables, you’d be in the realm of multiple linear regression. The intercept is a parameter, not a separate independent variable. So the number of independent variables is one. One independent variable.

In simple linear regression, you use one predictor variable to explain variation in the outcome. The standard equation is y = β0 + β1 x + ε, where x is the single independent (predictor) variable. If you had two predictor variables, you’d be in the realm of multiple linear regression. The intercept is a parameter, not a separate independent variable. So the number of independent variables is one. One independent variable.

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