Math Is Fun
Math Is Fun: Standard Normal Distribution Table
An explanation of standard normal distribution along with a table of values.
Other
West Virginia University: Normal Distribution
The history of the normal curve and its use in statistics is presented. An Applet is provided for the user to adjust the left and right edges of the probability and see the effect on the area under the curve.
Interactive Mathematics
Interactive Mathematics: The Normal Distribution
Formulas and properties of the normal distribution are presented, including details on the normal random variable and the standard normal distribution. Several real world examples are also included with detailed solutions.
Other
Fayetteville State University: Z Distributions
The introductory paragraph explains Z-Distributions, their spread, and the ability to find certain values within the distribution. Two animated graphs are then provided as an example of the probability of the normal distribution curve.
University of Glasgow
Steps Statistics Glossary: Normal Distribution
Overview of normal distribution, including the normal distribution model, the probability density function, and standard normal distribution. The parameters for "normal" distribution are provided.
Wolfram Research
Wolfram Math World: Normal Distribution
Math World explains the normal distribution with links to help with unfamiliar topics and terms. The site explains how to convert from a normal distribution to a standard normal distribution. Some prior knowledge of statistics and normal...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: The Normal Distribution
Twelve problems present practice working with the normal distribution. 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 Solution" button to check...
Science Struck
Science Struck: Types of Skewed Distribution With Real Life Examples
Explains what is meant by a skewed distribution, describes the two types, and gives examples.
Other
Statistical Engineering: Central Limit Theorem: Summary
The Central Limit Theorem is the foundation for many statistical procedures since the distribution of the situation being studied does not have to be normal. Here is found a complete explanation of the CLT and graphs supporting the...
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.
Other
Stat Soft: Getting Started With Statistics Concepts
Definitions of the basic concepts in statistics. Great for review and discussion or for introduction into topics.
Math Is Fun
Math Is Fun: Quincunx
The Quincunx is a fascinating probability machine that demonstrates how distribution works. This page has an interactive Quincunx where you can adjust how many rows there are for the balls to bounce down when dropped. A link takes you to...
Other
Fayetteville State University: Z Scores and Probability
Several paragraphs of explanation and graphs are found here to get across the concept of normal scores, z-scores, and the related probability in a simple fashion. This page is part of a collection from the university on basic statistical...
University of Manchester
Umist: Mathematical Formula Tables
This site has links to tables of mathematical formulas. To view them, the student must download the formulas in pdf format.
Other
Berrie's Statistics Page: Central Limit Theorem
Brief definition and example of the Central Limit Theorem.
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