When the Variance $\sigma _ { \varepsilon } ^ { 2 }$

Multiple Choice

When the variance, $\sigma _ { \varepsilon } ^ { 2 }$ , of the error variable $\varepsilon$ is a constant no matter what the value of x is, this condition is called:

A) homocausality.
B) heteroscedasticity.
C) homoscedasticity.
D) heterocausality.