Find the Mean (Arithmetic) 9 , 7 , 9 , 10 , 13 , 15 , 15

Math
9 , 7 , 9 , 10 , 13 , 15 , 15
The mean of a set of numbers is the sum divided by the number of terms.
9+7+9+10+13+15+157
Simplify the numerator.
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Add 9 and 7.
16+9+10+13+15+157
Add 16 and 9.
25+10+13+15+157
Add 25 and 10.
35+13+15+157
Add 35 and 13.
48+15+157
Add 48 and 15.
63+157
Add 63 and 15.
787
787
Divide.
11.14285714
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.
11.1
Find the Mean (Arithmetic) 9 , 7 , 9 , 10 , 13 , 15 , 15

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