# Find the Mean (Arithmetic) 6 , 8 , 12 , 15 , 18 , 20 , 20 , 20 , 26 , 28 , 29 , 30 , 31 , 32 , 32 , 34

6 , 8 , 12 , 15 , 18 , 20 , 20 , 20 , 26 , 28 , 29 , 30 , 31 , 32 , 32 , 34
The mean of a set of numbers is the sum divided by the number of terms.
6+8+12+15+18+20+20+20+26+28+29+30+31+32+32+3416
Simplify the numerator.
Add 6 and 8.
14+12+15+18+20+20+20+26+28+29+30+31+32+32+3416
Add 14 and 12.
26+15+18+20+20+20+26+28+29+30+31+32+32+3416
Add 26 and 15.
41+18+20+20+20+26+28+29+30+31+32+32+3416
Add 41 and 18.
59+20+20+20+26+28+29+30+31+32+32+3416
Add 59 and 20.
79+20+20+26+28+29+30+31+32+32+3416
Add 79 and 20.
99+20+26+28+29+30+31+32+32+3416
Add 99 and 20.
119+26+28+29+30+31+32+32+3416
Add 119 and 26.
145+28+29+30+31+32+32+3416
Add 145 and 28.
173+29+30+31+32+32+3416
Add 173 and 29.
202+30+31+32+32+3416
Add 202 and 30.
232+31+32+32+3416
Add 232 and 31.
263+32+32+3416
Add 263 and 32.
295+32+3416
Add 295 and 32.
327+3416
Add 327 and 34.
36116
36116
Divide.
22.5625
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.
22.6
Find the Mean (Arithmetic) 6 , 8 , 12 , 15 , 18 , 20 , 20 , 20 , 26 , 28 , 29 , 30 , 31 , 32 , 32 , 34

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