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# Measures of Spread/Dispersion

## Range, variance, standard deviation

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Understanding the Mean

by CK-12 //at grade

Learn to understand the mean and different statistical deviations.

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• Video

## Measures of Dispersion: A Sample Application

by CK-12 //at grade

This video demonstrates a sample use of measures of dispersion.

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• Video

## Measures of Dispersion: An Explanation of the Concept

by CK-12 //at grade

This video provides an explanation of the concept of measures of dispersion.

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• Practice
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## Measures of Spread/Dispersion Practice

by CK-12 //at grade
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by CK-12 //at grade

Come up with questions about a topic and learn new vocabulary to determine answers using the table

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## Understanding the Mean

by CK-12 //at grade

Connect your daily life experiences with specific points in a reading using a Double Entry Diary.

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• Real World Application

## How Smart Was Einstein?

by CK-12 //at grade

Learn about the unique dispersion of IQ scores to find out how Einstein ranked.

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• Real World Application

## The Making of a Millionaire

by CK-12 //at grade

You can use your knowledge of standard deviation to improve your financial investments.

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