Which term names the constant portion of the regression equation?

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Multiple Choice

Which term names the constant portion of the regression equation?

Explanation:
In regression, the constant portion is the intercept. In the typical form y = β0 + β1 x + ε, β0 is the intercept: it sets the baseline level of y when the predictor x is zero. This term stays fixed for the model, not depending on x. The slope β1 is what changes with x and describes how y changes per unit change in x. Variance is a measure of dispersion, not part of the regression equation itself. So the part that anchors the equation as a constant is the intercept.

In regression, the constant portion is the intercept. In the typical form y = β0 + β1 x + ε, β0 is the intercept: it sets the baseline level of y when the predictor x is zero. This term stays fixed for the model, not depending on x. The slope β1 is what changes with x and describes how y changes per unit change in x. Variance is a measure of dispersion, not part of the regression equation itself. So the part that anchors the equation as a constant is the intercept.

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