What is homoskedasticity?

1 Answer
Oct 28, 2015

Homoscedasticity describes a situation in which variance for dependent variables is the same across all values of the independent variable.

Explanation:

Homoscedasticity describes a situation in which variance for dependent variables is the same across all values of the independent variable. Homoscedasticity is also called homogeneity of variance.

https://statistics.laerd.com/statistical-guides/pearson-correlation-coefficient-statistical-guide-2.php

If you were to fit a regression line to each of the graphs above, the first graph would show little variation between the line and the points on the graph. The second graph would show that the points further along the x-axis are of varying distances from a regression line.