Date: Fri, 09 Sep 2016 15:00:00 +0000
<p>Heteroskedasticity is a term used to describe a relationship between two variables which has unequal variance over the range. For example, the variance in the length of a cat's tail almost certainly changes (grows) with age. On the other hand, the average amount of chewing gum a person consume probably has a consistent variance over a wide range of human heights.</p> <p>We also discuss some issues with the visualization shown in the tweet embedded below.</p> <p><img alt="Image claiming relationship between income and tickets issued" height="501" src="http:/dataskeptic.com/epnotes/heteroskedasticity.png" width="501" /></p>
