Curated OER
Measuring Dispersion
Students compute the standard deviation for a given set of data. In this measuring dispersion lesson, students compute the mean, and then the distance from the mean for each data point. They find the standard deviation of the data.
Annenberg Foundation
Annenberg Learner: Learning Math: Min, Max and the Five Number Summary
Explore how to interpret a large set of data by dividing it up into smaller portions in order to answer statistical questions.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Variance and Standard Deviation of a Set of Scores
Students learn about the variance and standard deviation of a set of scores. Topics explored are the empirical rule and Chebyshev's rule. The tutorial investigates the statistics concepts through class notes and examples. Review...
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Variance and Standard Deviation of a Random Variable
Students learn about the variance and standard deviation of a random variable. The tutorial investigates the statistics concepts through class notes and examples. Review exercises and a chapter quiz are included.
Other
Hsor.org: Miguel Chooses a College: Tradeoffs
Use several strategies and criteria to help Miguel determine the college for him.
University of Cambridge
University of Cambridge: Maths and Sports: Olympic Triathlon
Do you think the triathlon will be won by someone who is very strong in one event and average in the other two, or someone who is strong in all three disciplines? This activity challenges students to analyse real-life data and use their...
Other
Dispersion
This site discusses the range, average deviation, variance, and standard deviation, as well as their relation to dispersion.
United Nations
Unesco: Measures of Dispersion
Explanation of the different measures of dispersion (range, interquartile range, and standard deviation) are given.