The arithmetic mean, often referred to as simply the mean or average when the context is clear, is a method to derive the central tendency of a sample space . The term "arithmetic mean" is preferred in mathematics and statistics because it helps distinguish it from other averages such as the geometric and harmonic mean.
Mean, median, and mode are three kinds of "averages". Arithmetic mean is commonly called as average.Mean or Average is defined as the sum of all the given elements divided by the total number of elements.
Mean formula is
Mean = sum of elements / number of elements
In the next section we shall talk about Mean, Median, Mode and range in detail.
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