Median In Statistics: Definition, Calculation, And Examples

median

a line that goes from a vertex to the midpoint of the opposite side

Median is a measure of central tendency in statistics. It refers to the middle value in a set of data when the data is arranged in order from least to greatest or from greatest to least. To determine the median, you first need to arrange the data in order. If the number of data points is odd, the median is the middle value. If the number of data points is even, then the median is the average of the two middle values.

For example, let’s say we have the following set of data: 2, 5, 7, 9, 11.

To find the median, we first arrange the data in order: 2, 5, 7, 9, 11. Since there are an odd number of data points, the median is the middle value, which is 7.

Now, let’s consider another set of data: 2, 5, 7, 9, 11, 13.

Again, we arrange the data in order: 2, 5, 7, 9, 11, 13. This time, there are an even number of data points. To find the median, we take the average of the two middle values, which are 7 and 9. Thus, the median of this data set is (7 + 9) / 2 = 8.

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