Khan Academy
Khan Academy: Expected Value With Empirical Probabilities
Find expected value based on empirical probabilities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Making Decisions With Expected Values
Calculate expected values and then use them to make decisions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
University of Illinois
University of Illinois: Mste: How Much Do Baseball Players Really Make?
An interesting real-world use of statistical variance and standard deviation to help dispell the common perception that all major league baseball players are paid millions of dollars and are not worth it. The lesson plan gives specific...
Illustrative Mathematics
Illustrative Mathematics: S Id Sat Scores
Students will find solutions for a series of questions based on the assumption that SAT mathematics scores for a particular year are approximately normally distributed with a mean of 510 and a standard deviation of 100. Explanation and...
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...
Illustrative Mathematics
Illustrative Mathematics: Hss md.a.2
Three activities asking students to calculate the expected value of a random variable and interpret it as the mean of the probability distribution. Tasks include Bob's Bagel Shop, Fred's Fun Factory, and Sounds Really Good! (sort of).
CK-12 Foundation
Ck 12: Probability: Binomial Distributions and Probability
[Free Registration/Login may be required to access all resource tools.] Discusses probability distributions followed by an examination of binomial distributions. Includes detailed examples, instructional videos, and review questions.
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.
Palomar Community College District
Palomar College: Behavioral Science Statistics: Variance and Standard Deviation
A series of step-by-step worked problems demonstrating how to take a set of data and produce the variance and standard. Hints are provided along the way and the final measures are shown for the user to check.
EngageNY
Engage Ny: Lesson 19: Analyzing Decisions and Strategies Using Probability
In this lesson, students compare strategies by evaluating the associated probabilities of success. Additionally, problems are included where students are asked whether the result of a probability experiment provides sufficient evidence...
CK-12 Foundation
Ck 12: Using Probability to Make Decisions
Use this Common Core Math Standards Browser to search specific math concepts and their corresponding standards. This page focuses on Using Probability to Make Decisions. Click on the links to find lessons, activities, videos, and study...
Shodor Education Foundation
Shodor Interactivate: Measures
Enter data and view the mean, median, variance, and standard deviation of the data set.
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.
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.
Shodor Education Foundation
Shodor Interactivate: Stats and Probability Concepts
Many topics on Statistics and Probability are defined and linked here. Click on any of them to move to a more detailed discussion of the term.
Richland Community College
Richland Community College: Coefficient of Determination
This site from the Richland Community College provides a complete definition of the coefficient of determination is provided here, along with related topics: coefficient of non-determination finding variations, standard error of an...
University of Glasgow
Steps Statistics Glossary: Expected Value
Site defines statistical expected value as the population mean and discusses it's usefulness as a summary value of a variable's distribution. The formula for calculating expected value is provided, as is an example.
Rice University
Hyper Stat Online Statistics Textbook: Contingency Table
A brief explanation and example of what a statistical contingency table is.
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
Fayetteville State Univ.: Analysis of Variance (Anova)
A brief discussion of ANOVA, statistical Analysis of Variance, where the variability between two conditions is observed. An example is provided to assist the user in understanding.