Friday, January 29, 2010

Moments

Moments: - Moments are certain mathematical constants used to as certain the nature and form of a frequency distribution. Moments in statistics are used to describe the various characteristic of a frequency distribution like Central Tendency, Dispersion, Skewness and Kurtosis. It is symbolized by the Greek letter μ

There are two Moments:

  1. Raw Moments and
  2. Corrected Moments

Raw Moments for grouped data,


Relation between Raw Moments and Corrected Moments for grouped data:


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