Basic Math Examples

$0.4$ , $0.4$ , $0.2$ , $0.2$

Step 1

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

$\frac{0.4 + 0.4 + 0.2 + 0.2}{4}$

Step 2

Simplify the numerator.

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Step 2.1

Add $0.4$ and $0.4$ .

$\frac{0.8 + 0.2 + 0.2}{4}$

Step 2.2

Add $0.8$ and $0.2$ .

$\frac{1 + 0.2}{4}$

Step 2.3

Add $1$ and $0.2$ .

$\frac{1.2}{4}$

Step 3

Divide $1.2$ by $4$ .

$0.3$

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.

$0.3$