Find the Mean 10 , 8 , 12 , 6 , 5 , 4 , 10

$10$ , $8$ , $12$ , $6$ , $5$ , $4$ , $10$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{10 + 8 + 12 + 6 + 5 + 4 + 10}{7}$

Step 2

Simplify the numerator.

Add $10$ and $8$ .

$\frac{18 + 12 + 6 + 5 + 4 + 10}{7}$

Add $18$ and $12$ .

$\frac{30 + 6 + 5 + 4 + 10}{7}$

Add $30$ and $6$ .

$\frac{36 + 5 + 4 + 10}{7}$

Add $36$ and $5$ .

$\frac{41 + 4 + 10}{7}$

Add $41$ and $4$ .

$\frac{45 + 10}{7}$

Add $45$ and $10$ .

$\frac{55}{7}$

Step 3

Divide.

$7.\overline{857142}$

Step 4

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.

$7.9$

Find the Mean 10 , 8 , 12 , 6 , 5 , 4 , 10

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