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# What Is an Outlier in Math?

An outlier in math is a value in a collection of data points that lies outside of the range of the other data points. The name is derived from the data point "lying outside" of the other given values.

Continue ReadingAn example of an outlier can be seen in a group of data points taken from some athletes' performances: if there was one athlete that performed much more poorly than the other athletes, his performance is the outlier of the group.

Outliers of a data set most seriously affect the mean. The mean is reached by adding the data points together, then dividing the sum by the number of data points.

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## How Do You Find the Range of a Set of Numbers?

A: To find the range in a given data set, put the data set in numerical order from least to greatest, and then subtract the lowest value from the highest valu... Full Answer >Filed Under: -
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## What Does "mean" Stand for in Math?

A: The "mean" in math refers to the average value of a set of numbers. It is calculated by adding all the numbers in a set and then dividing that sum by the t... Full Answer >Filed Under: -
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## What Is the "median" in Math?

A: In mathematics, the median value is the middle number in a set of sorted numbers. For example, in the set of numbers 10, 11, 13, 15, 16, 23 and 26, the med... Full Answer >Filed Under: -
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## Versatile Math: The Importance of Statistics

A: Statistics is the collection and study of large amounts of numerical data, specifically for the purpose of determining proportions, averages and other rela... Full Answer >Filed Under: