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How does a outlier graph effect the average of a number?

Updated: 8/19/2019
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12y ago

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The average - arithmetic mean - is calculated as the sum of the values divided by the number of values. Compared with other observations, the outlier makes an abnormally small or large contribution to the sum, while making the same contribution to the count of observations.

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Q: How does a outlier graph effect the average of a number?
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