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...
Texas Education Agency
Texas Gateway: A Single Population Mean Using the Normal Distribution
This lesson explains how to calculate and interpret the confidence interval for a population mean. It also looks at the effect on the confidence interval of changing the confidence level or sample size. It then explains how to find the...
Texas Instruments
Texas Instruments: Binomial Distribution
Questions cover the binomial distribution. Students identify characteristics of a binomial distribution and calculate probabilities for different ranges. Binomial mean and variance are covered in the link between the binomial and normal...
University of Colorado
University of Colorado: Normal Probabilities Applet #3
The Applet illustrates how to use the old-fashioned tables of normal probabilities and areas under the normal distribution cureve to arrive at corresponding graphs of the areas. A good resource for the topic.
Texas Instruments
Texas Instruments: Numb3 Rs: Galton Board
Based off of the hit television show NUMB3RS, this lesson has students find the probability of chips falling into each bin of a Galton Board (also known as a quincunx or Plinko board), and then graphing these data to form a normal curve....
Wolfram Research
Wolfram Math World: Correlation Coefficient
MathWorld offers a technical, yet informative, explanation of the correlation coefficient for bivariate normal distribution.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Normal Distribution Utility
The learning tool calculates the probability of a normal distribution.
CK-12 Foundation
Ck 12: Probability: Multinomial Distributions Grades 9 10
[Free Registration/Login may be required to access all resource tools.] Covers multinomial distributions.
CK-12 Foundation
Ck 12: Probability: Probability Distribution Grades 9 12
[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to discrete probability distributions.
Khan Academy
Khan Academy: Comparing Data Distributions
Take a look at two different data distributions and draw some comparisons.
CK-12 Foundation
Ck 12: Algebra Ii: 6.2 the Tails of a Distribution
This section introduces the idea of the tails of a distribution, and provides exercises to help you become proficient in determining the type of test associated with various situations.
Missouri State University
Missouri State University: Introductory Statistics: Models of Distributions
The different types of distributions are discussed here - uniform, regular, negative exponential, triangular, and normal. The properties of probability distributions are also explained here in detail. A good starting point in the topic...
Missouri State University
Missouri State University: Introductory Statistics: T Test: The T Distribution
This discussion of statistical t distributions is presented in notes with examples added as needed.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Exponential, Normal, and Beta Distributions
Students learn about exponential, normal, and beta distributions. The tutorial investigates the statistics concepts through class notes and examples. Review exercises and a normal probability calculator are included.
Other
Berrie's Statistics Page: Normal Distribution
Site discusses the normal distribution as well as the mean and variance in the normal distribution. A link is provided for a QuickTime activity to adjust the mean.
University of Colorado
University of Colorado: Normal Probabilities Applet #2
This Applet allows the user to grab and drag the ends of the included region below the standard normal curve to the appropriate places needed. The user directly experiences the connection between the shaded area under the curve and the...
Illustrative Mathematics
Illustrative Mathematics: S Id.4 Do You Fit in This Car?
Students are tasked with solving a common issue for automobile manufacturers that require the students to use normal distribution as a model for data distribution. They will also use mean and standard deviation to figure out the problem....
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...
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.
California State University
Cal State San Bernardino: Central Limit Theorem Applet
In this applet, rolling of dice is studied. The number that lands face "up" on the die is graphed as the die is rolled repeatedly. The user begins to see, with increased accuracy, the standard normal curve appearing as the graph.
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...
Curated OER
Image for Function for Normal Curve
A short look at the formula and the graph of the statistical normal curve.
Curated OER
Image for What a Normal Curve Looks Like
A short look at the formula and the graph of the statistical normal curve.