Annenberg Foundation
Annenberg Learner: Against All Odds: Normal Calculations
Video program shows viewers how to use standard deviation, compute relative frequencies, find percentiles, and determine whether a distribution is normal. Real-life connections made by examining data from vehicle-emissions standards and...
Texas Education Agency
Texas Gateway: Study Edge Statistics: Measuring Spread of a Distribution
This lesson looks at the different measures of center and variability that are used when analyzing the spread of data in a distribution. Includes downloadable study guide with exercises - guide also covers other topics. [17:21]
Texas Education Agency
Texas Gateway: Study Edge Statistics: The Normal Distribution
This lesson discusses the normal distribution and the use of z-scores. Includes downloadable study guide with exercises - guide also covers other topics. [14:58]
Texas Education Agency
Texas Gateway: Study Edge: Factors Affecting the Width of a Confidence Interval
This lesson looks at what effects changing the standard deviation, confidence level, and/or sample size have on the width of a confidence interval. Includes downloadable study guide with exercises - guide also covers other topics. [11:26]
Khan Academy
Khan Academy: Mean Absolute Deviation (Mad)
The video shows how to calculate the mean absolution deviation of a data set.
Khan Academy
Khan Academy: Mean Absolute Deviation Example
The video is an example of finding the mean absolute deviation from a bar graph.
Virtual Nerd
Virtual Nerd: How Do You Find the Standard Deviation of a Data Set?
This tutorial illustrates the entire process of finding the standard deviation of a data set. [6:17]
Khan Academy
Khan Academy: Bernoulli Distribution Mean and Variance Formulas
Video example of what a Bernoulli distribution is. Demonstrates how the general formulas for the mean and variance of the distribution are derived.
Khan Academy
Khan Academy: Simulation Providing Evidence That (N 1) Gives Unbiased Estimate
A video showing why we divide by n-1 when we calculate our sample varience and why that give us an umbiased estimate of population variance.
Khan Academy
Khan Academy: Simulation Showing Bias in Sample Variance
This video uses a simulation to better understand why we divide by n-1 when we calculated an unbiased sample variance. When we are in an unbiased way trying to estimate the true population varience.
Khan Academy
Khan Academy: Variance and Standard Deviation: Variance of a Population
This video shows how to find a population mean from a set of data and the compute the population variance.
Khan Academy
Khan Academy: Variance and Standard Deviation: Sample Variance
This video shows how to estimate the variance of a population by looking at the data in a sample.
Khan Academy
Khan Academy: Why We Divide by N 1 for the Unbiased Sample Variance
This video is reviewing the population mean, sample mean, population variance, sample variance and building an intuition for why we divide by n-1 for the unbiased sample variance.
Khan Academy
Khan Academy: Exploring Standard Deviation 1 Module
A video exploring standard deviation. [3:58]
Khan Academy
Khan Academy: (N 1) Gives Us an Unbiased Estimate of Variance
This video uses a simulation to better understand why we divide by n-1 when we calculated an unbiased sample variance. When we are in an unbiased way trying to estimate the true population varience.
Khan Academy
Khan Academy: Sampling Distribution of Sample Proportion Part 1
This video goes over the formulas for the mean and standard deviation of a sampling distribution of sample proportions. [9:56]
Math Mammoth
Math Mammoth: Comparing Two Populations
In this lesson the heights of two basketball teams are compared using histograms. The means are compared and the difference between the means is compared to the mean absolute deviation. [6:57]
Other
Qlik: Understanding Data
This course is designed to help users gain an understanding of Data, learn about different types and attributes of data, and help them understand why this information is important in the world today. Includes two videos (25 min....
Khan Academy
Khan Academy: Standard Deviation of Residuals or Root Mean Square Error (Rmsd)
Calculating the standard deviation of residuals (or root-mean-square error (RMSD) or root-mean-square deviation (RMSD)) to measure disagreement between a linear regression model and a set of data.
Sophia Learning
Sophia: Z Score Charts
This lesson shows how charts can be used to determine and list Z-scores.
Sophia Learning
Sophia: Z Score Charts
This lesson shows how charts can be used to determine and list Z-scores.
Sophia Learning
Sophia: Z Score Charts
This lesson shows how charts can be used to determine and list Z-scores.
Sophia Learning
Sophia: Z Scores
In this lesson, students are introduced to Z-scores and their relevance to variance and distribution in data sets.
Sophia Learning
Sophia: Z Scores
In this lesson, students are introduced to Z-scores and their relevance to variance and distribution in data sets.