Find the Mean (Arithmetic) 2 , 1 , 2 , 2 , 1 , 2 , 2 , 3 , 3 , 3 , 3

Math
2 , 1 , 2 , 2 , 1 , 2 , 2 , 3 , 3 , 3 , 3
The mean of a set of numbers is the sum divided by the number of terms.
2+1+2+2+1+2+2+3+3+3+311
Simplify the numerator.
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Add 2 and 1.
3+2+2+1+2+2+3+3+3+311
Add 3 and 2.
5+2+1+2+2+3+3+3+311
Add 5 and 2.
7+1+2+2+3+3+3+311
Add 7 and 1.
8+2+2+3+3+3+311
Add 8 and 2.
10+2+3+3+3+311
Add 10 and 2.
12+3+3+3+311
Add 12 and 3.
15+3+3+311
Add 15 and 3.
18+3+311
Add 18 and 3.
21+311
Add 21 and 3.
2411
2411
Divide.
2.18‾
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.
2.2
Find the Mean (Arithmetic) 2 , 1 , 2 , 2 , 1 , 2 , 2 , 3 , 3 , 3 , 3

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