Find the Mean (Arithmetic) 0.7 , 0.6 , 0.9 , 1.2 , 1.3 , 1.5 , 1.7 , 1.8 , 1.1 , 0.9 , 0.9 , 1.2

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0.7 , 0.6 , 0.9 , 1.2 , 1.3 , 1.5 , 1.7 , 1.8 , 1.1 , 0.9 , 0.9 , 1.2
The mean of a set of numbers is the sum divided by the number of terms.
0.7+0.6+0.9+1.2+1.3+1.5+1.7+1.8+1.1+0.9+0.9+1.212
Simplify the numerator.
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Add 0.7 and 0.6.
1.3+0.9+1.2+1.3+1.5+1.7+1.8+1.1+0.9+0.9+1.212
Add 1.3 and 0.9.
2.2+1.2+1.3+1.5+1.7+1.8+1.1+0.9+0.9+1.212
Add 2.2 and 1.2.
3.4+1.3+1.5+1.7+1.8+1.1+0.9+0.9+1.212
Add 3.4 and 1.3.
4.7+1.5+1.7+1.8+1.1+0.9+0.9+1.212
Add 4.7 and 1.5.
6.2+1.7+1.8+1.1+0.9+0.9+1.212
Add 6.2 and 1.7.
7.9+1.8+1.1+0.9+0.9+1.212
Add 7.9 and 1.8.
9.7+1.1+0.9+0.9+1.212
Add 9.7 and 1.1.
10.8+0.9+0.9+1.212
Add 10.8 and 0.9.
11.7+0.9+1.212
Add 11.7 and 0.9.
12.6+1.212
Add 12.6 and 1.2.
13.812
13.812
Divide 13.8 by 12.
1.15
The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.
1.15
Find the Mean (Arithmetic) 0.7 , 0.6 , 0.9 , 1.2 , 1.3 , 1.5 , 1.7 , 1.8 , 1.1 , 0.9 , 0.9 , 1.2

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