Free Math Help
Free Math Help: Median
Students learn how to find the median of a dataset. The tutorial consists of a definition and example.
Free Math Help
Free Math Help: Arithmetic Mean
Students learn how to find the arithmetic mean of data. The tutorial consists of a definition and examples with detailed solutions.
Math Is Fun
Math Is Fun: How to Find the Mean
This math tutorial illustrates the mean of a set of data.
Math Slice
Math Slice: Statistics: Math Worksheets
This tool allows you to create worksheets where students calculate the mean, median, mode or range of a set of numbers.
University of Illinois
University of Illinois: Mste: Is There a Standard for All This Deviation?
Site contains information on the statistical term standard deviation. It gives a definition and shows how to calculate it. It has a link to information on the absolute value of a deviation and how the topics are related.
University of Illinois
University of Illinois: Spreading It Thick
Resource contains the definition for variance. It also shows students how to calculate the variance. There is a link to a bar graph that displays variance for the data example.
University of Illinois
University of Illinois: A "Vary" Nice Picture
Site from the University of Illinois contains a graphical representation of variance. A follow-up question for the user and a link to standard deviation - a related statistical topic - are also provided.
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: 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.
AAA Math
Aaa Math: Statistical Mean
Learn about finding the statistical mean of a set of data, and then do some practice problems.
AAA Math
Aaa Math: Statistical Median Ii
Learn how to find the statistical median of a set of data, and then practice the skills.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Range of Data
Find a quick, concise explanation of what a data range is. An example is given and clearly explained.