Standard Deviation

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  • Created by: Ice_Fox
  • Created on: 03-11-21 15:49

Step 1

Calculate the mean

_

x

1 of 6

Step 2

Subtract the mean from each value

       _

x  -  x

2 of 6

Step 3

Square each value in step 2

         _    

( x  -  x )2

3 of 6

Step 4

Add together everything from step 3

             _

E ( x  -  x )2

4 of 6

Step 5

Divide step 4 by the number of values in the data

             _

E ( x  -  x )2

_________

        n

5 of 6

Step 6

Square root your answer to step 5

Final equation

6 of 6

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