Both the median and mean of these two numbers are equal to 8.
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The median of 2 3 5 7 11 is 5, the central number.
The median is 8.
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median of {5, 15, 9, 13} is 11 To find the median of a dataset sort the data into order and the median is the middle one; if there are an even number of items in the dataset, then the median is the mean average of the middle two. {5, 15, 9, 13} → {5, 9, 13, 15} There are 4 data items, → median is mean of {9, 13} = (9 + 13) / 2 = 11.
If a set of numbers is arranged in ascending or descending order the median is the value which lies halfway along the series. 9-6-5-0-6-11-10 when placed in ascending order becomes 0-5-6-6-9-10-11. The median is therefore 6. Note : When there are an even number of values the median is the mean of the middle two values.