Friday, May 31, 2013

Skewness

I selected the "random" button on wikiversity just to see what would come up and it ended up being skewness. Because I had no idea what "skewness" was, I thought it would be something interesting to blog about! Apparently, Skewness refers to asymmetry (or "tapering") in the distribution of sample data. The article discusses to different types of skewing; negative and positive. With negative skew the left tail is longer and the mass of distribution is concentrated on the right of the figure. With positive skew, The right tail is longer; the mass of the distribution is concentrated on the left of the figure. Below are two pictures used on the site to explain it a little better:
It is not often that you can learn about something while blogging... Pretty cool stuff!

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