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: Home, Home on the Range
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.
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: Extra Practice Quiz Mean, Median, Mode, Range 2
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: 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...
Interactive Mathematics
Interactive Mathematics: Functions and Graphs
The system created by Rene Descartes (1596-1650 CE) is explored in depth, covering topics such as definitions, notation, evaluating, domain and range, graphing and more. Interactive examples and demonstrations are enhanced using Live...
Calculator Soup
Calculator Soup: Random Number Generator
Generate one or more random numbers within a range that you define. Enter the minimum and maximum for the range you want and enter the number of numbers you want generated.
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.
Math Aids
Math Aids: Algebra 1 Worksheets
Great resource to practice and strengthen math skills pertaining to Algebra 1. Math worksheets are printable, may be customized, and include answer keys.
Math Aids
Math Aids: Mean Mode Median Worksheets
Great resource to practice and strengthen math skills pertaining to mean, mode, and median. Math worksheets are printable, may be customized, and include answer keys.
AAA Math
Aaa Math: Statistical Range Ii
Learn how to find the range of a set of data, and then follow up with some practice problems.
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.