Teacher's Pet
Using Math to Analyze Data
No one wants to be average, so mathematicians use the term mean instead of average. The video explains how to calculate the mean, how to calculate the percent error, and why this information is important. Finally, the video considers the...
statisticsfun
How to Calculate Confidence Intervals and Margin of Error
Explore the meaning of the margin of error and how to use it to calculate the confidence interval with a video that explains how to calculate a margin of error based on the sample size. The instructor also makes a connection between...
statisticsfun
How to Calculate Margin of Error Confidence Interval for a Population Proportion
Teach how to find a confidence interval from a population proportion and margin of error with a video that reviews how to find a population proportion and a margin of error. The instructor then explains how to create a confidence...
Bozeman Science
Standard Deviation
Deviation is normal in the world of statistics. Viewers first learn about the normal distribution curve in an informative video. They then watch as the narrator calculates standard deviation by hand and using spreadsheets.
Ricochet Science
Understanding the Concept of Standard Deviation
It's getting hot out there! The last installment of an 11-part Math in Science video series, standard deviation and normal distributions to analyze data. Viewers learn how to apply this method to temperature data from past decades to...
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...
Khan Academy
Khan Academy: Statistics: Sampling Distribution Example Problem
Video example of using a sample distribution to solve a problem determining the probability that a sample mean is below a certain number. Includes example of finding a z-score and looking it up in a table to determine the probability....
Khan Academy
Khan Academy: Inferential Statistics: Confidence Interval 1
Video showing how to determine the probability that the population mean is between two given values when given the mean and standard deviation of a sample. Uses sampling distribution and calculates a z-score in order to determine the...
Khan Academy
Khan Academy: Statistics: Standard Error of the Mean
Video first briefly reviews the effect on the sampling distribution when the sample size increases then gives the formula for variance of the sample mean of the sampling distribution and formula for standard error of the mean. Uses the...
Khan Academy
Khan Academy: Statistics: Small Sample Size Confidence Intervals
Video gives example of using a t-distribution when a small sample size is given. Example includes how to use a t-table to create a confidence interval for the population mean. [11:11]
Annenberg Foundation
Annenberg Learner: Against All Odds: Normal Distributions
A look at how histograms, and the curves that are drawn based on histogram data, can help one analyze data. Video program offers real-life examples to illustrate this: population age and baseball statistics. [28:40]
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]
Khan Academy
Khan Academy: Statistics: Sampling Distribution of the Sample Mean
Video reviews the central limit theorem and uses a simulation to illustrate sampling distributions and how they approach a normal distribution with larger sample sizes even if the original distribution was not normal. Also discusses the...
Khan Academy
Khan Academy: Inferential Statistics: Central Limit Theorem
Video explains the central limit theorem and gives examples and visuals to illustrate it. [9:49]
Khan Academy
Khan Academy: Statistics: Sampling Distribution of the Sample Mean 2
Video discusses the effect of sample size on the sampling distribution. Shows using a simulation how as sample size increases the sampling distribution becomes more normal and the standard deviation decreases. Also discusses the effect...
Khan Academy
Khan Academy: Statistics: Normal Distribution Problems: Z Score
Video gives examples of calculating z-scores for a problem when the mean and standard deviation are given. Includes link to practice problems. [7:48]
Khan Academy
Khan Academy: Statistics: Normal Distribution: Standard Normal & Empirical
Video example of giving the mean and standard deviation of the standard normal distribution and finding probabilities using the empirical rule. [8:16]
Khan Academy
Khan Academy: Statistics: Introduction to the Normal Distribution
Video discusses the importance of the normal distribution and gives its formula with examples of how it is used. Connects to the central limit theorem. Manipulates the normal distribution formula to show different forms of it. Uses Excel...
Khan Academy
Khan Academy: Statistics: More Empirical Rule and Z Score Practice
Video example of calculating z-scores and explaining how z-scores apply to non-normal distributions. Also shows example of using empirical rule to calculate probability. Includes link to practice problems. [5:57]
Khan Academy
Khan Academy: Statistics: Normal Distribution Problems: Empirical Rule
Video reviews the empirical rule (68-95-99.7 rule) and gives examples using it to approximate probabilities. Includes link to practice problems. [10:25]
Khan Academy
Khan Academy: Statistics: Normal Distribution Excel Exercise
Video discusses the importance of the normal distribution. The formula for the normal distribution is given and explained. A url is given where an excel spreadsheet can be downloaded which is shown and used to compare the binomial...
Sophia Learning
Sophia: Employing the Empirical Rule: Lesson 1
This lesson shows how to put the empirical rule to use. It is 1 of 7 in the series titled "Employing the Empirical Rule."
Sophia Learning
Sophia: Employing the Empirical Rule: Lesson 2
This lesson shows how to put the empirical rule to use. It is 2 of 7 in the series titled "Employing the Empirical Rule."
Virtual Nerd
Virtual Nerd: What Is a Normal Distribution?
This tutorial introduces normal distribution and shows the characteristics of a normal distribution curve. [4:22]