Define homoscedasticity

745    Asked by ranjan_6399 in Data Science , Asked on Jan 15, 2020
Answered by Ranjana Admin

Homoscedasticity is an assumption which means that the variance around the regression line is the same for all the values of a predictor variable.

In the above diagram the points are all near the regression line for the lower values on X-axis but the points are far from the line for higher values on X-axis which is a violation of this assumption.

In this diagram, the variance is same throughout all the values which shows that it follows homoscedasticity.

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