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What do means mean and median mode?

Updated: 8/19/2019
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13y ago

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he mean is the average of the numbers: a calculated "central" value of a set of numbers.

It is easy to calculate: Just add up all the numbers, then divide by how many numbers there are.

Example: what is the mean of 2, 7 and 9?

Add the numbers: 2 + 7 + 9 = 18

Divide by how many numbers (i.e. we added 3 numbers): 18 ÷ 3 = 6

So the Mean is 6

The Median is the "middle number"

To find the Median, place the numbers you are given in value order and find the middle number

Look at these numbers:

3, 13, 7, 5, 21, 23, 39, 23, 40, 23, 14, 12, 56, 23, 29

If 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 number will be 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.

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Q: What do means mean and median mode?
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