Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Variance and Standard Deviation of a Random Variable
Students learn about the variance and standard deviation of a random variable. The tutorial investigates the statistics concepts through class notes and examples. Review exercises and a chapter quiz are included.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Mean, Median & Standard Deviation
Students learn about mean, median, variance, and standard deviation. The tutorial investigates the statistics concepts though class notes and examples. Review exercises are included.
Math Is Fun
Math Is Fun: Standard Normal Distribution Table
An explanation of standard normal distribution along with a table of values.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Distribuciones De Probabilidad
Learn about normal distribution, calculate odds on normal distributions and fit a set of data to a normal distribution.
Other
Online Statistics Education: Measures of Variability
Learning Objectives cover the areas of the Measures of Variability. Explanations are given for: variability, range, interquartile range, variance, and standard deviation. Examples and quizzes are also provided.
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.
McGraw Hill
Glencoe: Online Study Tool: Quiz on Measures of Variability
Students demonstrate advanced mathematics skills with this online quiz. The questions check understanding on measures of variability. Topics include variance, standard deviation, and frequency tables.
Science Education Resource Center at Carleton College
Serc: Understanding the Standard Deviation: What Makes It Larger or Smaller?
Students develop a better intuitive understanding of what is meant by variability in statistics. Emphasis is placed on the standard deviation as a measure of variability.
CK-12 Foundation
Ck 12: Statistics: Applications of Variance and Standard Deviation
[Free Registration/Login may be required to access all resource tools.] Calculate the variance and standard deviation of a data set.
Math Is Fun
Math Is Fun: Standard Deviation and Variance
Standard devaition and variance are explained clearly, accompanied by an examples using the size of dogs.
Sophia Learning
Sophia: Practical Applications of the Bell Shaped Curve
Explore the bell-shaped curve and how to calculate a z score. Additional links provided to further knowledge on outliers.
Sophia Learning
Sophia: Standard Deviation
Students learn how to calculate the standard deviation by hand. Detailed examples that explore how to use the standard deviation formula are included.
Texas Instruments
Texas Instruments: Plums and the Normal Distribution
This lesson demonstrates how the calculator's built-in numeric solver can be used along with the normalcdf function to answer a variety of Normal Distribution questions.
Texas Instruments
Texas Instruments: Special Cases of Normally Distributed Data
Students perform single and two-sample t procedures to investigate special cases of normally distributed data. They explore inference for a least-square regression line, including the confidence interval.
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.
Texas Instruments
Texas Instruments: Normal Distribution
This set contains statistics questions regarding the normal curve, its distribution, and its applications. The student, using the correct calculation, transitions between observed x-values, standard z-scores, and normal curve areas.
Texas Instruments
Texas Instruments: The Normal Distribution
In this activity, students will apply the normal density function, normal cumulative distribution function, and inverse normal cumulative function to analyze a population with a normal distribution.
Texas Instruments
Texas Instruments: The Normal Distribution
Students graph normal distributions, shade desired areas, and find related probabilities. They graph Normal probability scatter plots to check the normal (linear) shape of a data distribution.
Other
Vlps: Mean and Standard Deviation
Explanation of frequency distributions, mean, standard deviations, and variance including a Java Applet.
Michigan Technological University
Computing Mean, Variance and Standard Deviation
Page centered around a computer program to determine mean, variance, and standard deviation.
Khan Academy
Khan Academy: Z Scores 1
Find the z-score of a particular measurement given the mean and standard deviation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Oswego City School District
Regents Exam Prep Center: Central Tendency: Mean, Mode, Median
This tutorial discusses mean, median, and mode. It introduces the frequency table and gives several examples. A practice page is included and a teacher resource page that contains an activity using manipulatives.
Math Planet
Math Planet: Algebra 2: Standard Deviation and Normal Distribution
Gain an understanding of standard deviation and normal distribution by viewing an example and a video lesson.
Khan Academy
Khan Academy: Comparing Data Distributions
Take a look at two different data distributions and draw some comparisons. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.