the mean is the same as the average. so just add the three numbers together and divide by 3 (because that's how many numbers there are).
example: 12, 45, 63
12 + 45 + 63 = 120
120 / 3 = 40
so the mean is 40
2006-11-30 14:53:16
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answer #1
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answered by Gigi 2
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the mean of 3 numbers is 9
2014-12-16 03:11:01
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answer #2
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answered by Vikki 1
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Add the three numbers together and divide what you get by 3.
For example, if you want the mean of 4, 12 and 9, you add them together to get 4+12+9=25. Then you divide by 3 to get 25/3=8.333. And that's the mean.
2006-11-30 14:51:04
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answer #3
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answered by bictor717 3
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"Mean" means "average". Just add the numbers and divide the total by 3.
2006-11-30 14:49:56
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answer #4
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answered by TitoBob 7
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Add the three numbers and divide by three.
2006-11-30 14:50:05
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answer #5
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answered by Habester 3
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. . . i was thinking you were saying median. Sorry.
2006-11-30 14:57:42
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answer #6
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answered by Star 3
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