Which of the following scatterplots provides evidence that the condition of equal variance for inference for the slope of a regression line has not been met?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
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Which of the following scatterplots provides evidence that the condition of equal variance for inference for the slope of a regression line has not been met?

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One of the basic assumptions of the CLRM is that σ2 of each disturbance term conditional on the chosen value of the explanatory variables, is some constant number which is the variance. This is called homoscedasticity or equal spread. If it is violated that is, the variances of the disturbance term are not same, then the problem of heteroscedasticity arises. 

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