Short video example of how to calculate the standard deviation (2:05).

 

This video discusses variability, range, interquartile range, semi-interquartile range, variance formulas, standard deviation, normal distributions, and an example (6:55).

 

This video provides an example of how to estimate the variance of a population by looking at the data in a sample (10:37).

 

This video illustrates the Empirical Rule and what it means when applying it to an example (4:59).

 

 

This podcast describes range and standard deviation by discussing an example of students’ math scores (7:21).

 

An NPR interview discusses standard deviation as a “measure of abnormality” and how this is used to describe extreme climate change that the United States is currently experiencing (3:12).

 

Describes disproportionate impact suicide has on men and the group who has the highest rate of suicide (4:12).

 

Also includes link to the “Death Rates for Suicide by Sex, Race, Hispanic Origin, and Age: United States, Selected Years 1950-2010” table.