Khan Academy
Khan Academy: Practice: Probabilities of Compound Events
Practice solving questions about the probabilities of compound events. Includes hints.
Khan Academy
Khan Academy: Probabilities of Compound Events
Multiple-choice problems practicing probabilities of compound events.
Khan Academy
Khan Academy: Simple Probability
Try these simple probability multiple-choice practice problems.
University of Baltimore
University of Baltimore: Short History of Probability & Statistics
Several brief paragraphs give a short account of the history of the study of probability and statistics. Also included are many additional resources for referencing. Written by Dr. Hossein Arsham
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.
University of Georgia
University of Georgia: Definitions in Statistics
This site contains definitions to use in statistics and ways to collect data.
Texas Education Agency
Texas Gateway: Tea Statistics: Definitions of Statistics, Probability, Key Terms
An explanation of key terms and vocabulary used in the study of statistics and probability. Includes examples and practice exercises.
Math Drills
Math Drills: Statistics and Probability Worksheets
Download these free worksheets to sharpen your skills with statistics and probability. Sheets focus on collecting and organizing data, measures of central tendency (mean, median, mode, and range), and probability.
CK-12 Foundation
Ck 12: Statistics: Normal Distributions Advanced
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to the standard normal probability distribution.
Shmoop University
Shmoop: Basic Statistics & Probability: Designing a Study
Presents the steps to follow in designing a study in statistics and explains what makes a good statistical question.
Cut the Knot
Cut the Knot: Probability Questions
This site defines probability and has a computer-based random number generator. The site has links to more than 100 probability problems which require some prior statistical knowledge to solve, or they can be great "openers" for teachers...
Khan Academy
Khan Academy: Conditional Probability and Independence
In probability, we say two events are independent if knowing one event occurred doesn't change the probability of the other event. Examples and questions about conditional probability.
Khan Academy
Khan Academy: Theoretical and Experimental Probability: Coin Flips and Die Rolls
A set of questions on experimental and theoretical probabilities using coins and dice. Answers are accompanied by explanations.
Khan Academy
Khan Academy: Addition Rule for Probability (Basic)
Venn diagrams and the addition rule of probability.
Khan Academy
Khan Academy: Expected Value With Calculated Probabilities
Find expected value based on calculated probabilities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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: Dependent Probability
Find dependent probabilities like P(A | B) or P(B | A) for a variety of contexts. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Mathigon
Mathigon: Probability and Discrete Math: Casino Mathematics
This lesson focuses on the probability and casino games such as Roulette which consists of a wheel with the numbers from 1 to 36 colored in red and black, as well as a green 0. A ball rolls around the outside and randomly lands on one of...
Texas Instruments
Texas Instruments: Statistics Pretest
This is a pre-test for a statistics class. Since most systems want data driven analysis, this is a great way to get data at the beginning of the course on how much students know about statistics.
University of Glasgow
Steps Glossary: Statistics Factors
This site provides a general definition of the factors of a statistical experiment.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Statistics
Fifteen problems presented on the topics: mean, median, mode, outliers and graphing statistics. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
CK-12 Foundation
Ck 12: Statistics: Interpretation of Circle Graphs Grades 6 7
[Free Registration/Login may be required to access all resource tools.] Read and interpret circle graphs.
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...
CK-12 Foundation
Ck 12: Statistics: Interpretation of Circle Graphs Grade 7
[Free Registration/Login may be required to access all resource tools.] Interpret circle graphs by using given data.