Basic Math Examples

$7.3$ , $7.9$ , $7.9$ , $9.3$ , $5.4$ , $8.8$

Step 1

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

$\frac{7.3 + 7.9 + 7.9 + 9.3 + 5.4 + 8.8}{6}$

Step 2

Simplify the numerator.

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Step 2.1

Add $7.3$ and $7.9$ .

$\frac{15.2 + 7.9 + 9.3 + 5.4 + 8.8}{6}$

Step 2.2

Add $15.2$ and $7.9$ .

$\frac{23.1 + 9.3 + 5.4 + 8.8}{6}$

Step 2.3

Add $23.1$ and $9.3$ .

$\frac{32.4 + 5.4 + 8.8}{6}$

Step 2.4

Add $32.4$ and $5.4$ .

$\frac{37.8 + 8.8}{6}$

Step 2.5

Add $37.8$ and $8.8$ .

$\frac{46.6}{6}$

Step 3

Divide $46.6$ by $6$ .

$7.7\overline{6}$

Step 4

Divide.

$7.7\overline{6}$

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.

$7.77$