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Old 08-28-2009   #2
Mr. Hui


 
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Join Date: Mar 2005
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The mean of a number is its arithmetic average.To find the mean of a set of numbers, add up all the numbers, then divide by how many numbers there are.
Quote:
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 รท 3 = 6

So the mean is 6.
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