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INTRODUCTION
Mean, Median and the Mode are the indices of measures of central tendency.
- The arithmetic mean, the most popular and widely used measure for representing the entire data by one value is what most laymen call an “average” and what the statisticians call the arithmetic mean. Its value is obtained by adding together all the observations and by dividing this total by the number of observations.
- Median is the measure of central tendency, which appears in the “middle” of an ordered sequence of values. That is, half of the observations in a set of data are lower than it and half of the observations are greater than it
- Mode is defined as that value which occurs more time than the others, i.e., having the maximum frequency in the given distribution.
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