Basic Math Examples

$128$ , $230$ , $196$ , $224$ , $196$ , $233$ , $224$ , $150$ , $196$

Step 1

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

$\frac{128 + 230 + 196 + 224 + 196 + 233 + 224 + 150 + 196}{9}$

Step 2

Simplify the numerator.

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Step 2.1

Add $128$ and $230$ .

$\frac{358 + 196 + 224 + 196 + 233 + 224 + 150 + 196}{9}$

Step 2.2

Add $358$ and $196$ .

$\frac{554 + 224 + 196 + 233 + 224 + 150 + 196}{9}$

Step 2.3

Add $554$ and $224$ .

$\frac{778 + 196 + 233 + 224 + 150 + 196}{9}$

Step 2.4

Add $778$ and $196$ .

$\frac{974 + 233 + 224 + 150 + 196}{9}$

Step 2.5

Add $974$ and $233$ .

$\frac{1207 + 224 + 150 + 196}{9}$

Step 2.6

Add $1207$ and $224$ .

$\frac{1431 + 150 + 196}{9}$

Step 2.7

Add $1431$ and $150$ .

$\frac{1581 + 196}{9}$

Step 2.8

Add $1581$ and $196$ .

$\frac{1777}{9}$

Step 3

Divide.

$197.\overline{4}$

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.

$197.4$