An introduction to measures of variability. I discuss the range, mean absolute deviation, variance, and standard deviation, and work through a simple example of ...

When we seek to organize our jumbled data, we have two important questions about our data set. Our first question is “what single number best represents our ...

This video lecture introduces two methods to communicate the variability of a data set. https://sites.google.com/site/swtcmath You will learn what the word ...

Statistics #Measures_of_variation #Range_and_Standard_Deviation In statistics, measures of variation or dispersion describe how the data spread and ...

The central Principle of Six Sigma is variation reduction. Doesn't sound very exciting does it? Well it should reducing variation will make you more money than ...

The goal of this session is to learn techniques that measure and objectively describe the differences which exist within a distribution of scores, in order to study ...

In this video, we'll learn about five different measures of variability: range, sample standard deviation, sample variance, population standard deviation, and ...

Brewer Science's Jim Korich talks with Semiconductor Engineering about how to deal with variability in processes and why consistency is so important at ...

What is heart rate variability? how does it relate to stress, depression, and anxiety? This video answers these questions, and more. I first define heart rate ...

Social Statistics” is a free online course on Janux that is open to anyone. Learn more at http://janux.ou.edu. Created by the University of Oklahoma, Janux is an ...

Here we take a look at how to calculate the standard deviation and variance step by step. Be confused no longer on how to calculate these important values in ...

I explain briefly what is a statistical question, and then we look at some distributions and how to describe them: by their center, spread, and overall shape.