<meta http-equiv="refresh" content="1; url=/nojavascript/"> Measures of Spread/Dispersion | CK-12 Foundation

%
Best Score
Best Score
%
Levels are CK12'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.

Describe what happens to the measures of central tendency and dispersion when new data points are added to a data set.

0

This Concept introduces students to the some of the measures of spread commonly used, such as range, standard deviation and variance.

0

## Understanding the Mean

by CK-12 //basic

Understanding the mean and statistical deviations.

0
• Video

## Algebra II: Mean and Standard Deviation

by CK-12 //basic

Learn mean and standard deviation with a word problem.

0
• Video

## Summarizing Distributions: Measures of Variability

Discusses variability and statistical measures that can evaluate the spread of a distribution.

0
• Video

## Measures of Dispersion - Example 1

by CK-12 //basic

Finding the Range and Mean Absolute Deviation of a Data Set

0
• Video

## Summarizing Distributions: Measures of Variability

Discusses variability and statistical measures that can evaluate the spread of a distribution.

0
• Video

## Algebra II: Mean and Standard Deviation

by CK-12 //basic

Learn mean and standard deviation with a word problem.

0
• Video

## Measures of Dispersion: A Sample Application

This video demonstrates a sample use of measures of dispersion.

0
• Video

## Measures of Dispersion: An Explanation of the Concept

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

0
• Practice

by CK-12 //basic

0
• Practice

by CK-12 //basic

0

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

0

## Understanding the Mean

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

0
• Real World Application

## How Smart Was Einstein?

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

0
• Real World Application

## The Making of a Millionaire

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

0

## Statistics Worksheets

A webpage of basic statistics calculations and worksheets to practice with.

0

## A Note on Standard Deviation

An experiment and explanation are offered as to why n-1 rather than n is used to calculate standard deviation.

0

The answers to questions about standard deviation. Answers two questions: why a standard deviation takes the square root of the average of the sum of the squared differences between X and X mean, and why n vs n-1 is used in calculations.

0