KT2: Hannah Chambray Summer 2020

Standard deviation is a measure of variation from an average data set. The standard deviation marks off points along the base of the curve. Equal percentages are found between the mean +1 SD and the mean – SD. Same is true for +2 SD & -2 SD and also +3 SD & -3 SD. 68.26%… Continue reading KT2: Hannah Chambray Summer 2020