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what is the mean of 17, 18, 22, 15, 17, 16, 25, 21, and 20

 Feb 4, 2015

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 #3
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What is the mean of 17, 18, 22, 15, 17, 16, 25, 21, and 20

 

The mean is 19:

$$\dfrac{17+ 18+ 22+ 15+ 17+ 16+ 25+ 21 +20}{9}= 19 \\\\
\dfrac{-3-2+2-5-3-4+5+1+0}{9}+20= 19$$

 Feb 5, 2015
 #1
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19 would be the correct answer for for the question

 Feb 5, 2015
 #3
avatar+26364 
+5
Best Answer

What is the mean of 17, 18, 22, 15, 17, 16, 25, 21, and 20

 

The mean is 19:

$$\dfrac{17+ 18+ 22+ 15+ 17+ 16+ 25+ 21 +20}{9}= 19 \\\\
\dfrac{-3-2+2-5-3-4+5+1+0}{9}+20= 19$$

heureka Feb 5, 2015

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