Basic Math Examples

$21.8$ , $23.4$ , $22.8$ , $27.1$ , $22.5$ , $13.1$ , $11.7$ , $25.6$

Step 1

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

$\frac{21.8 + 23.4 + 22.8 + 27.1 + 22.5 + 13.1 + 11.7 + 25.6}{8}$

Step 2

Simplify the numerator.

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Step 2.1

Add $21.8$ and $23.4$ .

$\frac{45.2 + 22.8 + 27.1 + 22.5 + 13.1 + 11.7 + 25.6}{8}$

Step 2.2

Add $45.2$ and $22.8$ .

$\frac{68 + 27.1 + 22.5 + 13.1 + 11.7 + 25.6}{8}$

Step 2.3

Add $68$ and $27.1$ .

$\frac{95.1 + 22.5 + 13.1 + 11.7 + 25.6}{8}$

Step 2.4

Add $95.1$ and $22.5$ .

$\frac{117.6 + 13.1 + 11.7 + 25.6}{8}$

Step 2.5

Add $117.6$ and $13.1$ .

$\frac{130.7 + 11.7 + 25.6}{8}$

Step 2.6

Add $130.7$ and $11.7$ .

$\frac{142.4 + 25.6}{8}$

Step 2.7

Add $142.4$ and $25.6$ .

$\frac{168}{8}$

Step 3

Divide $168$ by $8$ .

$21$

Step 4

Divide.

$21$