Find the Mean (Arithmetic) 86 , 89 , 93 , 86 , 95 , 82 , 77 , 86 , 95 , 98 , 86

Math
86 , 89 , 93 , 86 , 95 , 82 , 77 , 86 , 95 , 98 , 86
The mean of a set of numbers is the sum divided by the number of terms.
86+89+93+86+95+82+77+86+95+98+8611
Simplify the numerator.
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Add 86 and 89.
175+93+86+95+82+77+86+95+98+8611
Add 175 and 93.
268+86+95+82+77+86+95+98+8611
Add 268 and 86.
354+95+82+77+86+95+98+8611
Add 354 and 95.
449+82+77+86+95+98+8611
Add 449 and 82.
531+77+86+95+98+8611
Add 531 and 77.
608+86+95+98+8611
Add 608 and 86.
694+95+98+8611
Add 694 and 95.
789+98+8611
Add 789 and 98.
887+8611
Add 887 and 86.
97311
97311
Divide.
88.45‾
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.
88.5
Find the Mean (Arithmetic) 86 , 89 , 93 , 86 , 95 , 82 , 77 , 86 , 95 , 98 , 86

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