Find the Mean (Arithmetic) 4 , 9 , 11 , 11 , 12 , 14 , 16 , 16 , 16 , 17 , 17 , 17 , 21 , 21 , 21 , 22 , 22

Math
4 , 9 , 11 , 11 , 12 , 14 , 16 , 16 , 16 , 17 , 17 , 17 , 21 , 21 , 21 , 22 , 22
The mean of a set of numbers is the sum divided by the number of terms.
4+9+11+11+12+14+16+16+16+17+17+17+21+21+21+22+2217
Simplify the numerator.
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Add 4 and 9.
13+11+11+12+14+16+16+16+17+17+17+21+21+21+22+2217
Add 13 and 11.
24+11+12+14+16+16+16+17+17+17+21+21+21+22+2217
Add 24 and 11.
35+12+14+16+16+16+17+17+17+21+21+21+22+2217
Add 35 and 12.
47+14+16+16+16+17+17+17+21+21+21+22+2217
Add 47 and 14.
61+16+16+16+17+17+17+21+21+21+22+2217
Add 61 and 16.
77+16+16+17+17+17+21+21+21+22+2217
Add 77 and 16.
93+16+17+17+17+21+21+21+22+2217
Add 93 and 16.
109+17+17+17+21+21+21+22+2217
Add 109 and 17.
126+17+17+21+21+21+22+2217
Add 126 and 17.
143+17+21+21+21+22+2217
Add 143 and 17.
160+21+21+21+22+2217
Add 160 and 21.
181+21+21+22+2217
Add 181 and 21.
202+21+22+2217
Add 202 and 21.
223+22+2217
Add 223 and 22.
245+2217
Add 245 and 22.
26717
26717
Divide.
15.70588235
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.
15.7
Find the Mean (Arithmetic) 4 , 9 , 11 , 11 , 12 , 14 , 16 , 16 , 16 , 17 , 17 , 17 , 21 , 21 , 21 , 22 , 22

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