Khan Academy
Khan Academy: Normal Distribution: Z Score
Video gives examples of calculating z-scores for a problem when the mean and standard deviation are given.
Khan Academy
Khan Academy: Normal Distribution: 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...
Khan Academy
Khan Academy: Standard Normal Distribution and the Empirical Rule (From Ck12.org)
Using the Empirical Rule with a standard normal distribution.
Khan Academy
Khan Academy: Standard Normal Table for Proportion Between Values
Finding the proportion of a normal distribution that is below a value by calculating a z-score and using a z-table.
Khan Academy
Khan Academy: Standard Normal Table for Proportion Below
Finding the proportion of a normal distribution that is below a value by calculating a z-score and using a z-table.
Khan Academy
Khan Academy: Standard Normal Table for Proportion Above
Finding the proportion of a normal distribution that is above a value by calculating a z-score and using a z-table.
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 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.
Sophia Learning
Sophia: Z Test for Population Means
Calculate z-statistic of a population mean. [9:44]
Bozeman Science
Bozeman Science: Standard Deviation
In this video, Paul Andersen explains the importance of standard deviation. He starts with a discussion of normal distribution and how the standard deviation measures the average distance from the mean, or the \"spread\" of data. He then...