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# Mean

## Sum of the values divided by the number of values

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.

## Mean

by CK-12 //basic
Covers how to compute the mean or average of a data set.
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## Mean

by CK-12 //basic
Learn how to find the mean, or average, of a given set of data.
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## Mean

Learn how to calculate the mean of numerical data.
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## Mean, Median, Range

Determine the mean, median, and range in a given set of data.
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## Arithmetic Mean

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## Geometric Mean

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## Harmonic Mean

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## Arithmetic Mean

by Marion Van Hoose //
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## Geometric Mean

by Marion Van Hoose //
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## Harmonic Mean

by Marion Van Hoose //
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## Mean

by Liz Grunow //basic
Determine the mean, or average, in a given set of data.
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## Data and Mean (Revision)

by Patrick W //basic
Covers how to compute the mean or average of a data set.
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## Mean

by CK-12 //basic
Covers how to compute the mean or average of a data set.
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• PLIX

## Mean: Candy Yums

Mean Interactive
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• PLIX

## Mean

Mean Interactive
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• PLIX

## Arithmetic Mean

Mean Interactive
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• PLIX

## Harmonic Mean

Mean Interactive
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• Video

## Finding the Mean of a Set of Numbers - Overview

by CK-12 //basic
Overview
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• Video

## Mean Principles

by CK-12 //basic
This video gives more detail about the mathematical principles presented in Mean.
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• Video

## Mean Examples

by CK-12 //basic
This video shows how to work step-by-step through one or more of the examples in Mean.
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• Video

## Mean, Median, Mode

by CK-12 //basic
Learn about the 3 measures of center and how to use them.
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• Video

## Sample and Population Means

by CK-12 //basic
This video differentiates between population means and sample means.
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• Video

## Statistics: The Average

Learn 3 measures of data used in math: mean, median, and mode. An introduction to descriptive statistics and central tendency.
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• Video

## Finding the Mean of a Set of Numbers - Example 1

by CK-12 //basic
Finding the Mean of a Set of Integers
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• Video

## Finding the Mean of a Set of Numbers - Example 2

by CK-12 //basic
Finding the Mean of a Set of Decimals
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• Video

## Finding the Mean of a Set of Numbers - Example 3

by CK-12 //basic
Finding the Mean of a Set of Fractions
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• Lesson Plan

## The Mean Lesson Plan

by CK-12 //basic
This lesson plan covers The Mean and includes Teaching Tips, Common Errors, Differentiated Instruction, Enrichment, and Problem Solving.
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## Mean Quiz

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• Critical Thinking

## Mean Discussion Questions

A list of student-submitted discussion questions for Mean.
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• Real World Application

## Mean

Students will investigate the concept of mean by calculating the mean length of a celebrity marriage, using a Time article on the "Top 10 Short-Lived Celebrity Marriages."
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• Real World Application

## Mean 2

Is Michael Jordan the best basketball player? Students will compare his stats to another basketball star or they can research and calculate the mean career statistic of another athlete in a sport other than basketball.
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• Real World Application

## Corporate Values

Find out how harmonic means are used to evaluate mutual funds and stocks.
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• Real World Application

## Perfect Fits

Find out why it can be hard to find clothes that fit perfectly.
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• Study Guide

## Describing Data

This study guide looks at levels of measurement and the shape, measures of center (median, mean, mode), and measures of spread (standard deviation) of a data set. It also compares the measures for population vs the measures for sample.
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• Study Guide

## Mean, Median, and Mode

covers the three types of mean, median and mode
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## Plop It!

by Kyle Bardman //basic
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• Flashcards

## Measures of Central Tendency Flashcards

These flashcards help you study important terms and vocabulary from Mean, Ungrouped Data to Find the Mean, Grouped Data to Find the Mean, Median, and Mode.
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• Flashcards

## Mean

by Ellaine Chou //basic
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• Flashcards

## Mean

by Galaxy Portillo //basic
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