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Handout
Purple Math

Purplemath: Proportions: Introduction

For Students 6th - 8th Standards
Explains the basics and terminology of proportions.
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Website
University of Illinois

University of Illinois: Rollin' Rollin' Rollin'

For Students 6th - 8th Standards
This resource is the beginning of a series of pages that demonstrates the diffference between the mean and median of a group of numbers. Uses bar graphs to display the data.
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Website
University of Illinois

University of Illinois: Home, Home on the Range

For Students 6th - 8th
This site from the University of Illinois contains an introduction and definition of the term range. It has a link to the National Weather Service so students can practice finding the range using the available weather data.
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Interactive
Other

Meta Calculator: Statistics Calculator

For Students 9th - 10th Standards
A web-based statistics calculator to find mean, median, standard deviation, variance and ranges.
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Unit Plan
BBC

Bbc: Standard Deviation

For Students 9th - 10th Standards
A demonstration of how to find the standard deviation of a set of data. Several examples and a practice test are offered.
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Handout
Math Is Fun

Math Is Fun: Showing the Results of a Survey

For Students 2nd - 8th
A variety of ways to display the results of a survey are listed, including tables, statistics and different types of graphs.
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Unknown Type
BBC

Bbc Bitesize: How to Find Mean, Median, Mode, and Range

For Students 3rd - 5th
This ten question quiz will help you assess your understanding of mean, median, and mode. Links are provided that allow you to enlarge the quiz to fit your full screen, see the quiz in a different format, review the definitions of mean,...
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Activity
Free Math Help

Free Math Help: Batting Average

For Students 3rd - 8th
Here is an explanation about how to calculate a player's batting average.
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Unknown Type
Education Place

Houghton Mifflin: Eduplace: Extra Practice Quiz Mean, Median, Mode, Range 2

For Students 3rd - 8th Standards
Practice using the graph to answer questions about the mean, median, mode and range. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you are told...
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Unknown Type
Education Place

Houghton Mifflin: Eduplace: Extra Practice Quiz Mean, Median, Mode, Range 1

For Students 3rd - 8th Standards
Practice using the graph to answer questions about the mean, median, mode and range. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you are told...
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Activity
Education Place

Houghton Mifflin: Eduplace: Math Steps: What Is It? Data

For Students 6th - 8th Standards
This is a great place for lesson information on the concept of analyzing data - measures of central tendency. Three other tabs are available besides the "What Is It?" link. Tips and Tricks, When Students Ask, and Lesson Ideas also...
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Interactive
Calculator Soup

Calculator Soup: Statistics Calculator

For Students 9th - 10th Standards
Calculate basic summary statistics for a sample or population data set including minimum, maximum, range, sum, count, mean, median, mode, standard deviation and variance.
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Interactive
Calculator Soup

Calculator Soup: Mean Calculator | Average Calculator

For Students 9th - 10th Standards
In statistics the mean of a set of numbers is the average value of those numbers. Find the average or mean by adding up all the numbers and dividing by how many numbers are in the set.
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Interactive
Calculator Soup

Calculator Soup: Variance Calculator

For Students 9th - 10th Standards
Variance is a measure of dispersion of data points from the mean. Low variance indicates that data points are generally similar and do not vary widely from the mean. High variance indicates that data values have greater variability and...
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Unit Plan
AAA Math

Aaa Math: Statistical Mean

For Students 6th Standards
Learn about finding the statistical mean of a set of data, and then do some practice problems.
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Handout
University of Glasgow

Steps Statistics Glossary: Sample Mean

For Students 9th - 10th Standards
The definition of a sample mean is provided along with the symbol commonly used for it and an example to show the formula in action. A link to "expected value" - a related topic - is provided.
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Graphic
Curated OER

Image for Mean

For Students 9th - 10th
An overview of the statistical term, "mean." An example is provided for explanation. Links are given to other related terms: central limit theorem, population, median, and mode.
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Graphic
Curated OER

Mean

For Students Pre-K - 1st
mean
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Graphic
Curated OER

Computing Mean, Variance and Standard Deviation

For Students 9th - 10th
Page centered around a computer program to determine mean, variance, and standard deviation.