Variation

This topic looks at measures of variation. I give motivation for the definition of standard deviation. I then show how to calculate both variation and standard deviation. I show how to find the measures of variation in RStudio.

The following resources can be used to further understand this topic:

• Video: Idea of Standard Deviation

• Video: Calculating Standard Deviation

• Video: Variation in RStudio

• Notes: Measures of Variation

• Activity: Measures of Variation

• Activity: Histograms and Variation

• Online Activity: Measures of Variation using Desmos

• Online Activity: Mean Absolute Deviation using GeoGebra