Non-Normal Distribution in Statistics – Skewness and Kurtosis (3-9)
Автор: Research By Design
Загружено: 2016-08-01
Просмотров: 33191
Because many curves, perhaps most curves, are not normal distributions, we need a way to talk about the shape of distributions when they differ from normality. We will learn how to describe curves when the distribution is more spread out or more closely packed together than we would have expected, called kurtosis. And we will learn when a curve is positively or negatively skewed. Stats Cow teaches us a mnemonic for remembering the direction of the skewness: “The Skew is in the Tail.”
This video teaches the following concepts and techniques:
Kurtosis
Skewness
Link to a Google Drive folder with all of the files that I use in the videos including the Bear Handout and datasets. As I add new files, they will appear here, as well.
https://drive.google.com/drive/folder...
Table of Contents:
00:34 - Kurtosis
02:08 - Negatively Skewed Distributions
02:54 - Positively Skewed Distributions
03:54 - Positively or Negatively Skewed?
05:03 - Bimodal Distributions
07:39 - Standard Normal Curve
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