Basic Math Examples

$29.8$ , $27.39$ , $12.73$ , $49.8$ , $27$ , $310.92$ , $37.01$

Step 1

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

$\frac{29.8 + 27.39 + 12.73 + 49.8 + 27 + 310.92 + 37.01}{7}$

Step 2

Simplify the numerator.

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Step 2.1

Add $29.8$ and $27.39$ .

$\frac{57.19 + 12.73 + 49.8 + 27 + 310.92 + 37.01}{7}$

Step 2.2

Add $57.19$ and $12.73$ .

$\frac{69.92 + 49.8 + 27 + 310.92 + 37.01}{7}$

Step 2.3

Add $69.92$ and $49.8$ .

$\frac{119.72 + 27 + 310.92 + 37.01}{7}$

Step 2.4

Add $119.72$ and $27$ .

$\frac{146.72 + 310.92 + 37.01}{7}$

Step 2.5

Add $146.72$ and $310.92$ .

$\frac{457.64 + 37.01}{7}$

Step 2.6

Add $457.64$ and $37.01$ .

$\frac{494.65}{7}$

Step 3

Divide $494.65$ by $7$ .

$70.66428571$

Step 4

Divide.

$70.66428571$

Step 5

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.

$70.7$