Monday, July 11, 2016

Measure Of Dispersion (Cont.)
  3.    The standard deviation
  • A deviation is the difference between an individual value in a set of data and the mean for the data.
  • Standard Deviation averages the square of the distance that each piece of data is from the mean.
  • The smaller the standard deviation, the more compact the data set.
                                                          Standard Deviation – Population

                                                         
                                                                 Standard Deviation – Sample



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2 comments:

  1. UnknownJuly 11, 2016 at 9:17 AM

    Is there any formula other than this?Thank you.

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    Replies
    1. Amalina SarbiniJuly 11, 2016 at 9:40 AM

      Hello Faishal Osman, Thank you for the question.
      It easiest formula that can solve one by one and much more understandable.
      Sorry if it not the best answer that you looking for :)

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