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Standard Deviation of a Normal Distribution

Approximate typical measurements and interval widths

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• Video

Spread of a Normal Distribution Principles

by CK-12 //basic
This video gives more detail about the mathematical principles presented in Spread of a Normal Distribution.
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Spread of a Normal Distribution Examples

by CK-12 //basic
This video shows how to work step-by-step through one or more of the examples in Spread of a Normal Distribution.
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