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# Mean

Mean is the average value. It is sensitive to extreme values but is easy to be managed mathematically.

**Example 1**

For the dataset: 2, 6, 13, 17, 22, the mean is 60/5 = 12.

**Example 2**

For the dataset: 2, 6, 13, 17, 22, 900, the mean is 960/6 = 160. Note the influence of the outlier 900 to the mean is large.

## Glossary Terms

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