Standard error of the mean in MATLAB: Simple calculation guide

Reviewed by Eric Estevez Key Takeaways Standard error measures the accuracy of a sample mean by showing how much it deviates ...

Z-Score vs. Standard Deviation: Key Differences in Volatility Measurement

Learn the differences between Z-Score and Standard Deviation. Discover how they are calculated and used to evaluate market ...
Simon Fraser University

Example 42.2: Estimating the Process Standard Deviation

The following data set (WIRE) contains breaking strength measurements recorded in pounds per inch for 25 samples from a metal wire manufacturing process. The subgroup sample sizes vary between 3 and 7 ...
Simon Fraser University

Example 40.1: Specifying a Known Standard Deviation

In some applications, a standard value may be available for the process standard deviation .This example shows how you can specify to compute the control limits. title 's Chart for Power Output'; ...
BBC

Statistical skills: Video playlist

An animated guide explaining how the standard devition can give you a clearer picture of a sample than averages alone. An example involving zoo keepers and some very dangerous animals demonstrates ...