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Standard Deviation

(Last edited: Tuesday, 14 March 2017, 8:55 AM)
  • Measure of the spread/dispersion of a set of observations
  • Square root of the variance
  • Formula:  s= \sqrt{(\sum\nolimits_{i=1}^n(x_i- \mu)^2)/(n-1) }
  • Example:

Set of numbers: 3,4,5,5,5,6,7

 

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