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Standard Deviation Calculation

jesparkman

Created on June 6, 2021

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Calculating the Standard deviation

Get the mean

square the difference

Find the difference

Square the differnce of each and then add them up

List your data and calcualte the mean

Take each score and subtract the mean to find the difference for each

+ example

Divide by n-1

take the square root

ALL done!!!

Take the square root of this number

Take the sum of the squared differences and divide them by n-1

+ example