# Find the Mean (Arithmetic) 29 , 21 , 18 , 18 , 20 , 21 , 18 , 18 , 8

29 , 21 , 18 , 18 , 20 , 21 , 18 , 18 , 8
The mean of a set of numbers is the sum divided by the number of terms.
29+21+18+18+20+21+18+18+89
Simplify the numerator.
Add 29 and 21.
50+18+18+20+21+18+18+89
Add 50 and 18.
68+18+20+21+18+18+89
Add 68 and 18.
86+20+21+18+18+89
Add 86 and 20.
106+21+18+18+89
Add 106 and 21.
127+18+18+89
Add 127 and 18.
145+18+89
Add 145 and 18.
163+89
Add 163 and 8.
1719
1719
Divide 171 by 9.
19
Find the Mean (Arithmetic) 29 , 21 , 18 , 18 , 20 , 21 , 18 , 18 , 8

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