# Find the Mean (Arithmetic) 4 , 6 , 8 , 10 , 8 , 4 , 7 , 6 , 4

4 , 6 , 8 , 10 , 8 , 4 , 7 , 6 , 4
The mean of a set of numbers is the sum divided by the number of terms.
4+6+8+10+8+4+7+6+49
Simplify the numerator.
10+8+10+8+4+7+6+49
18+10+8+4+7+6+49
28+8+4+7+6+49
36+4+7+6+49
40+7+6+49
47+6+49
53+49
579
579
Cancel the common factor of 57 and 9.
Factor 3 out of 57.
3(19)9
Cancel the common factors.
Factor 3 out of 9.
3⋅193⋅3
Cancel the common factor.
3⋅193⋅3
Rewrite the expression.
193
193
193
Divide.
6.3‾
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.
6.3
Find the Mean (Arithmetic) 4 , 6 , 8 , 10 , 8 , 4 , 7 , 6 , 4

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