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Average and Median

Average is one of the Statistical Value . It is useful as represent of data set.

Weakness of Average

But in fact, we fail analysis when we use Average. There are two reasons.

Median

Median is easy substitution of Average. First reason is that when the distribution is normal, Median is same to Average. Second reason is Median is strong from the influence of irregular data.

Median is used in Box Plot .



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