Pre-Algebra Examples

$5.6$ , $6.2$ , $6.2$ , $7.6$ , $3.7$ , $7.1$

Step 1

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

$\frac{5.6 + 6.2 + 6.2 + 7.6 + 3.7 + 7.1}{6}$

Step 2

Simplify the numerator.

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Step 2.1

Add $5.6$ and $6.2$ .

$\frac{11.8 + 6.2 + 7.6 + 3.7 + 7.1}{6}$

Step 2.2

Add $11.8$ and $6.2$ .

$\frac{18 + 7.6 + 3.7 + 7.1}{6}$

Step 2.3

Add $18$ and $7.6$ .

$\frac{25.6 + 3.7 + 7.1}{6}$

Step 2.4

Add $25.6$ and $3.7$ .

$\frac{29.3 + 7.1}{6}$

Step 2.5

Add $29.3$ and $7.1$ .

$\frac{36.4}{6}$

Step 3

Divide $36.4$ by $6$ .

$6.0\overline{6}$

Step 4

Divide.

$6.0\overline{6}$

Step 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.

$6.07$