Finite Math Examples

$35$ , $49$ , $55$ , $57$ , $60$ , $61$ , $61$ , $67$ , $69$ , $77$ , $82$ , $88$ , $94$ , $98$

Step 1

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

$\frac{35 + 49 + 55 + 57 + 60 + 61 + 61 + 67 + 69 + 77 + 82 + 88 + 94 + 98}{14}$

Step 2

Simplify the numerator.

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Step 2.1

Add $35$ and $49$ .

$\frac{84 + 55 + 57 + 60 + 61 + 61 + 67 + 69 + 77 + 82 + 88 + 94 + 98}{14}$

Step 2.2

Add $84$ and $55$ .

$\frac{139 + 57 + 60 + 61 + 61 + 67 + 69 + 77 + 82 + 88 + 94 + 98}{14}$

Step 2.3

Add $139$ and $57$ .

$\frac{196 + 60 + 61 + 61 + 67 + 69 + 77 + 82 + 88 + 94 + 98}{14}$

Step 2.4

Add $196$ and $60$ .

$\frac{256 + 61 + 61 + 67 + 69 + 77 + 82 + 88 + 94 + 98}{14}$

Step 2.5

Add $256$ and $61$ .

$\frac{317 + 61 + 67 + 69 + 77 + 82 + 88 + 94 + 98}{14}$

Step 2.6

Add $317$ and $61$ .

$\frac{378 + 67 + 69 + 77 + 82 + 88 + 94 + 98}{14}$

Step 2.7

Add $378$ and $67$ .

$\frac{445 + 69 + 77 + 82 + 88 + 94 + 98}{14}$

Step 2.8

Add $445$ and $69$ .

$\frac{514 + 77 + 82 + 88 + 94 + 98}{14}$

Step 2.9

Add $514$ and $77$ .

$\frac{591 + 82 + 88 + 94 + 98}{14}$

Step 2.10

Add $591$ and $82$ .

$\frac{673 + 88 + 94 + 98}{14}$

Step 2.11

Add $673$ and $88$ .

$\frac{761 + 94 + 98}{14}$

Step 2.12

Add $761$ and $94$ .

$\frac{855 + 98}{14}$

Step 2.13

Add $855$ and $98$ .

$\frac{953}{14}$

Step 3

Divide.

$68.07142857$

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.

$68.1$