Find the Mean (Arithmetic) 15 , 27 , 25 , 28 , 30 , 3122 , 25 , 27 , 29

Math
15 , 27 , 25 , 28 , 30 , 3122 , 25 , 27 , 29
The mean of a set of numbers is the sum divided by the number of terms.
15+27+25+28+30+3122+25+27+299
Simplify the numerator.
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Add 15 and 27.
42+25+28+30+3122+25+27+299
Add 42 and 25.
67+28+30+3122+25+27+299
Add 67 and 28.
95+30+3122+25+27+299
Add 95 and 30.
125+3122+25+27+299
Add 125 and 3122.
3247+25+27+299
Add 3247 and 25.
3272+27+299
Add 3272 and 27.
3299+299
Add 3299 and 29.
33289
33289
Divide.
369.7‾
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.
369.8
Find the Mean (Arithmetic) 15 , 27 , 25 , 28 , 30 , 3122 , 25 , 27 , 29

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