Basic Math Examples

175

$175$ ,

0 - 550

$0 - 550$ ,

0

$0$ ,

0

$0$

Step 1

Subtract

550

$550$ from

0

$0$ .

175, - 550, 0, 0

$175, - 550, 0, 0$

Step 2

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

\frac{175 - 550 + 0 + 0}{4}

$\frac{175 - 550 + 0 + 0}{4}$

Step 3

Simplify the numerator.

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Step 3.1

Add

175 - 550 + 0

$175 - 550 + 0$ and

0

$0$ .

\frac{175 - 550 + 0}{4}

$\frac{175 - 550 + 0}{4}$

Step 3.2

Add

175 - 550

$175 - 550$ and

0

$0$ .

\frac{175 - 550}{4}

$\frac{175 - 550}{4}$

Step 3.3

Subtract

550

$550$ from

175

$175$ .

\frac{- 375}{4}

$\frac{- 375}{4}$

\frac{- 375}{4}

$\frac{- 375}{4}$

Step 4

Move the negative in front of the fraction.

- \frac{375}{4}

$- \frac{375}{4}$

Step 5

Divide.

- 93.75

$- 93.75$

Step 6

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.

- 93.8

$- 93.8$