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Mean and Variance of Probability Distributions

Mean and Variance of Probability Distributions

Author: Daniel Nelson
Description:

Explain the ideas behind mean, variance, and standard deviation when dealing with samples and populations

There is a video explaining the concepts, as well as a powerpoint with a problem for you to try

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Tutorial

Mean, Variance, and Standard Deviation explained

Walks you through the variables representing sample statistics and population parameters, as well as an example problem for each.

Source: teacherweb.com/TX/westwoodhighschool/.../FormulaSheet-APStat2009.doc

Example to try

Try this example yourself to see if you have the hang of things

Equations