Basic Math Examples

$70$ , $42$ , $53$ , $61$ , $22$ , $87$ , $59$

Step 1

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

$\frac{70 + 42 + 53 + 61 + 22 + 87 + 59}{7}$

Step 2

Simplify the numerator.

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Step 2.1

Add $70$ and $42$ .

$\frac{112 + 53 + 61 + 22 + 87 + 59}{7}$

Step 2.2

Add $112$ and $53$ .

$\frac{165 + 61 + 22 + 87 + 59}{7}$

Step 2.3

Add $165$ and $61$ .

$\frac{226 + 22 + 87 + 59}{7}$

Step 2.4

Add $226$ and $22$ .

$\frac{248 + 87 + 59}{7}$

Step 2.5

Add $248$ and $87$ .

$\frac{335 + 59}{7}$

Step 2.6

Add $335$ and $59$ .

$\frac{394}{7}$

Step 3

Divide.

$56.28571428$

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.

$56.3$