# Find the Mean (Arithmetic) 12 , 16 , 23 , 14 , 20 , 18 , 22 , 18 , 14 , 15

12 , 16 , 23 , 14 , 20 , 18 , 22 , 18 , 14 , 15
The mean of a set of numbers is the sum divided by the number of terms.
12+16+23+14+20+18+22+18+14+1510
Simplify the numerator.
28+23+14+20+18+22+18+14+1510
51+14+20+18+22+18+14+1510
65+20+18+22+18+14+1510
85+18+22+18+14+1510
103+22+18+14+1510
125+18+14+1510
143+14+1510
157+1510
17210
17210
Cancel the common factor of 172 and 10.
Factor 2 out of 172.
2(86)10
Cancel the common factors.
Factor 2 out of 10.
2⋅862⋅5
Cancel the common factor.
2⋅862⋅5
Rewrite the expression.
865
865
865
Divide.
17.2
Find the Mean (Arithmetic) 12 , 16 , 23 , 14 , 20 , 18 , 22 , 18 , 14 , 15

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