Finite Math Examples

$75$ , $130$ , $145$ , $150$ , $225$ , $225$ , $300$

Step 1

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

$\frac{75 + 130 + 145 + 150 + 225 + 225 + 300}{7}$

Step 2

Simplify the numerator.

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Step 2.1

Add $75$ and $130$ .

$\frac{205 + 145 + 150 + 225 + 225 + 300}{7}$

Step 2.2

Add $205$ and $145$ .

$\frac{350 + 150 + 225 + 225 + 300}{7}$

Step 2.3

Add $350$ and $150$ .

$\frac{500 + 225 + 225 + 300}{7}$

Step 2.4

Add $500$ and $225$ .

$\frac{725 + 225 + 300}{7}$

Step 2.5

Add $725$ and $225$ .

$\frac{950 + 300}{7}$

Step 2.6

Add $950$ and $300$ .

$\frac{1250}{7}$

Step 3

Divide.

$178.57142857$

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.

$178.6$