The variance of the error variable is required to be constant. When this requirement is violated, the condition is called heteroscedasticity.

Name: The variance of the error variable is required to be constant. When this requirement is violated, the condition is called heteroscedasticity.
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Question

The variance of the error variable  is required to be constant. When this requirement is violated, the condition is called heteroscedasticity.

Quizplus · Accepted Answer

Heteroscedasticity occurs when the variance of the error variable is not constant, meaning that the variability of the residuals changes across the range of the independent variable(s).

The Variance of the Error Variable Is Required to Be