983105d4_ics_and_Statistics_Help__MASH___Skill
[Type] Worksheet [Description] In this leaflet we introduce variance and standard deviation as measures of spread. We can evaluate the variance of a set of data from the mean, that is how far the observations deviate from the mean. [Source] MathCentre [Skill] 
Variance and Standard Deviation
Mathematics and Statistics Help (MASH)
Skill