# 11.2: Median

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cumulative frequency

Cumulative frequency is used to determine the number of observations that lie above (or below) a particular value in a data set.Data

Data is information that has been collected to represent real life situations, usually in number form.Mean

The mean of a data set is the average of the data set. The mean is found by calculating the sum of the values in the data set and then dividing by the number of values in the data set.Median

The median of a data set is the middle value of an organized data set.normal distributed

If data is normally distributed, the data set creates a symmetric histogram that looks like a bell.outliers

An outlier is an observation that lies an abnormal distance from other values in a random sample from a population.### Image Attributions

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Learn how to calculate the median of numerical data.

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Date Created:

Dec 21, 2012
Last Modified:

Sep 08, 2016
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