Education Place
Houghton Mifflin: Eduplace: Extra Practice Quiz Mean, Median, Mode, Range 1
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...
Education Place
Houghton Mifflin: Eduplace: Math Steps: What Is It? Data
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...
Calculator Soup
Calculator Soup: Statistics Calculator
Calculate basic summary statistics for a sample or population data set including minimum, maximum, range, sum, count, mean, median, mode, standard deviation and variance.
Calculator Soup
Calculator Soup: Mean Calculator | Average Calculator
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.
Calculator Soup
Calculator Soup: Variance Calculator
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...
AAA Math
Aaa Math: Statistical Mean
Learn about finding the statistical mean of a set of data, and then do some practice problems.
University of Glasgow
Steps Statistics Glossary: Sample Mean
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.
Curated OER
Image for Mean
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.
Curated OER
Computing Mean, Variance and Standard Deviation
Page centered around a computer program to determine mean, variance, and standard deviation.