Measures of Central Tendency

MEAN

  The average of given set of numbers calculated by the sum of given set of numbers divided by the total number of entities.


MEDIAN

  Median is the middle value


MODE

  Mode is the most frequent value.


RANGE

  Range is the variation between upper and lower limits in a particular scale.


VARIANCE

  Variance is a measure of variability. It is calculated by taking the average of squared deviations from the mean.


STANDARD DEVIATION

  Standard deviation is the measure of how spread out the numbers are in a given set. It is the square root of variance. 

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