Find the Mean 1.8 , 1.7 , 1.3 , 1.1 , 1.2 , 1.6 , 1.8

$1.8$ , $1.7$ , $1.3$ , $1.1$ , $1.2$ , $1.6$ , $1.8$

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

$\frac{1.8 + 1.7 + 1.3 + 1.1 + 1.2 + 1.6 + 1.8}{7}$

Simplify the numerator.

Add $1.8$ and $1.7$ .

$\frac{3.5 + 1.3 + 1.1 + 1.2 + 1.6 + 1.8}{7}$

Add $3.5$ and $1.3$ .

$\frac{4.8 + 1.1 + 1.2 + 1.6 + 1.8}{7}$

Add $4.8$ and $1.1$ .

$\frac{5.9 + 1.2 + 1.6 + 1.8}{7}$

Add $5.9$ and $1.2$ .

$\frac{7.1 + 1.6 + 1.8}{7}$

Add $7.1$ and $1.6$ .

$\frac{8.7 + 1.8}{7}$

Add $8.7$ and $1.8$ .

$\frac{10.5}{7}$

Divide $10.5$ by $7$ .

$1.5$

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.

$1.5$

Find the Mean 1.8 , 1.7 , 1.3 , 1.1 , 1.2 , 1.6 , 1.8

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