Other
Magoosh: Statistics Fundamentals
An online course on the fundamentals of statistics including video lessons in Mean, Median, and Mode; Weighted Averages; Quartiles and Boxplots; Range and Standard Deviation; Normal Distribution; Z-scores; Intro to Inferential...
CK-12 Foundation
Ck 12: Statistics: Standard Deviation of a Normal Distribution
[Free Registration/Login may be required to access all resource tools.] Learn about the spread of a normal distribution.
CK-12 Foundation
Ck 12: Statistics: Measures of Spread/dispersion Grade 8
[Free Registration/Login may be required to access all resource tools.] Understanding the mean and statistical deviations.
CK-12 Foundation
Ck 12: Probability: Empirical Rule
[Free Registration/Login may be required to access all resource tools.] Use percentages associated with normal distributions to solve problems.
CK-12 Foundation
Ck 12: Mean and Standard Deviation of Discrete Random Variables
[Free Registration/Login may be required to access all resource tools.] This Concept teaches students how to find the mean and standard deviation for discrete random variables.
CK-12 Foundation
Ck 12: Statistics: Standard Deviation of a Data Set
[Free Registration/Login may be required to access all resource tools.] Learn about standard deviation of normally distributed data.
Science Museum, London
Making the Modern World: Defining Mental Illness
Defining mental illness takes into account several deviant behaviors. Find out what psychologists use to determine mental disorders.
Shodor Education Foundation
Shodor Interactivate: Measures
Enter data and view the mean, median, variance, and standard deviation of the data set.
Shodor Education Foundation
Shodor Interactivate: Skew Distribution
Change the median and standard deviation of an automatically generated normal distribution to create a skewed distribution, allowing you to observe properties like what it means for the mean, median, and mode to be different.
Shodor Education Foundation
Shodor Interactivate: Normal Distribution
Change the standard deviation of an automatically generated normal distribution to create a new histogram. Observe how well the histogram fits the curve, and how areas under the curve correspond to the number of trials.
Khan Academy
Khan Academy: Standard Deviation of a Population
Calculate the standard deviation of a population.
CK-12 Foundation
Ck 12: Algebra Ii: 5.5 Sampling Variability
This section explores the concept of sampling variability in the sample proportion. It will address the effect on the mean and standard deviation of a sample distribution as the sampling size changes.
CK-12 Foundation
Ck 12: Algebra Ii: 5.4 Standard Deviation
Explore what the standard deviation is as it relates to the graph of a normal distribution curve.
Hofstra University
Hofstra University: Review Exercises Random Variables..
Interactive review problems are offered to practice the concepts of random variables and statistics. Topics covered include, Bernoulli trials, normal and binomial distributions, Chebyshev's rule, and the like.
University of Illinois
University of Illinois: Introduction to Descriptive Statistics
A series of explanations of statistics terms based on the statistics from a dice game.
Other
Dispersion
This site discusses the range, average deviation, variance, and standard deviation, as well as their relation to dispersion.
Other
Fayetteville State Univ.: Variance & Standard Deviation
Quick definitions of these statistical terms are provided, then followed by an example covering both of them. This page is part of a larger series which gives simple explanations of common, useful statistical concepts.
Other
James Wright: Measures of Central Tendency
This site looks at measures of central tendency and dispersion. Discussed are topics such as standard deviation, mean, median, and mode.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Histogram and Probability Distribution Generator
The learning tool displays data in the form of a histogram. The tool also shows descriptive statistics and probability distributions. Examples of data are included.
Other
Teach Me Finance: Finance Tutorials
Are you looking to learn basic financial concepts? Teach Me Finance offers easy-to-use tutorials that introduce learner's to financial literacy.
National Council of Teachers of Mathematics
The Math Forum: Understanding Standard Deviation
MathForum answers a question on variance and standard deviation.
Interactive Mathematics
Interactive Mathematics: Probability Distribution
The concept of random variables is the focus of this lesson, including definitions of discrete and continuous random variables. Discussions on discrete probability distribution and density function are included, along with expected value...
United Nations
Unesco: Measures of Dispersion
Explanation of the different measures of dispersion (range, interquartile range, and standard deviation) are given.
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.