Wolfram Research
Wolfram Math World: Standard Deviation
This World of Mathematics site by Eric Weisstein explains the term "Standard deviation." Provides step-by-step help, examples, and charts.
Math Is Fun
Math Is Fun: Standard Deviation Calculator
How to find the standard deviation is explained and demonstrated with this calculator. Reloading the page presents you with new numbers.
Khan Academy
Khan Academy: Standard Deviation of a Population
Calculate the standard deviation of a population. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Is Fun
Math Is Fun: Standard Deviation and Variance
Standard devaition and variance are explained clearly, accompanied by an examples using the size of dogs.
National Council of Teachers of Mathematics
The Math Forum: Understanding Standard Deviation
MathForum answers a question on variance and standard deviation.
Texas Instruments
Texas Instruments: Deviant M&ms
This activity uses the basic M&M color activity of old to introduce students to CellSheet, CellSheet Converter, and TI-InterActive! while figuring the % Deviation for each color. If there is extra time or for a more advanced math...
Texas Instruments
Texas Instruments: Statistics for Math B
Students will determine the mean, median, mode and standard deviation of collected data. They will make a frequency histogram of the grouped data, both on graph paper, and on the TI 83+.
McGraw Hill
Glencoe: Online Study Tool: Quiz on Measures of Variability
Students demonstrate advanced mathematics skills with this online quiz. The questions check understanding on measures of variability. Topics include variance, standard deviation, and frequency tables.
Khan Academy
Khan Academy: Z Scores 1
Find the z-score of a particular measurement given the mean and standard deviation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Is Fun
Math Is Fun: Showing the Results of a Survey
A variety of ways to display the results of a survey are listed, including tables, statistics and different types of graphs.
Other
Web Quest: Take Me Out to the Ball Game
This is a WebQuest written by Susie Hallar of the Warrensburg Schools in Warrensburg, Missouri. Students research 10 famous baseball players, then use the information they find to compute averages, standard deviations, central...
Wolfram Research
Wolfram Math World: Variance
MathWorld offers a plethora of information on variance. Student should have some statistic knowledge to use this site. This site contains links to related topics.
Khan Academy
Khan Academy: Discrete Random Variables: Expected Value
Compute the expected value given a set of outcomes, probabilities, and payoffs. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.
Oswego City School District
Regents Exam Prep Center: Statistical Studies, Central Tendency, and Dispersion
The mathematics tutorial investigates statistical studies, central tendency, and dispersion. The lesson consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes an activity...