Find the Mean (Arithmetic) 1 , 2 , 4 , 4 , 5 , 7 , 8 , 11 , 15 , 15

Math
1 , 2 , 4 , 4 , 5 , 7 , 8 , 11 , 15 , 15
The mean of a set of numbers is the sum divided by the number of terms.
1+2+4+4+5+7+8+11+15+1510
Simplify the numerator.
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Add 1 and 2.
3+4+4+5+7+8+11+15+1510
Add 3 and 4.
7+4+5+7+8+11+15+1510
Add 7 and 4.
11+5+7+8+11+15+1510
Add 11 and 5.
16+7+8+11+15+1510
Add 16 and 7.
23+8+11+15+1510
Add 23 and 8.
31+11+15+1510
Add 31 and 11.
42+15+1510
Add 42 and 15.
57+1510
Add 57 and 15.
7210
7210
Cancel the common factor of 72 and 10.
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Factor 2 out of 72.
2(36)10
Cancel the common factors.
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Factor 2 out of 10.
2⋅362⋅5
Cancel the common factor.
2⋅362⋅5
Rewrite the expression.
365
365
365
Divide.
7.2
Find the Mean (Arithmetic) 1 , 2 , 4 , 4 , 5 , 7 , 8 , 11 , 15 , 15

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