How to find the mean
- how to find a median in statistics
- how to get a median in statistics
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How to find the median of a data set...
Mean, median, mode
How to Find the Median Value
It's the middle of a sorted list of numbers.
Median Value
The Median is the "middle" of a sorted list of numbers.
How to Find the Median Value
To find the Median, place the numbers in value order and find the middle.
Example: find the Median of 12, 3 and 5
Put them in order:
3, 5, 12
The middle is 5, so the median is 5.
Example: 3, 13, 7, 5, 21, 23, 39, 23, 40, 23, 14, 12, 56, 23, 29
When we put those numbers in order we have:
3, 5, 7, 12, 13, 14, 21, 23, 23, 23, 23, 29, 39, 40, 56
There are fifteen numbers.
Our middle is the eighth number:
3, 5, 7, 12, 13, 14, 21, 23, 23, 23, 23, 29, 39, 40, 56
The median value of this set of numbers is 23.
(It doesn't matter that some numbers are the same in the list.)
Two Numbers in the Middle
BUT, with an even amount of numbers things are slightly different.
In that case we find the middle pair of numbers, and then find the value that is half way between them.
This is easily done by adding them together and dividing by two.
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