Find the Mean (Arithmetic) multiply the sum of 14 and -25 with the difference of 15 and -9

multiply the sum of $14$ and $- 25$ with the difference of $15$ and $- 9$

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

$\frac{14 - 25 + 15 - 9}{4}$

Simplify the numerator.

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Subtract $25$ from $14$ .

$\frac{- 11 + 15 - 9}{4}$

Add $- 11$ and $15$ .

$\frac{4 - 9}{4}$

Subtract $9$ from $4$ .

$\frac{- 5}{4}$

Move the negative in front of the fraction.

$- \frac{5}{4}$

Divide.

$- 1.25$

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.

$- 1.3$

Find the Mean (Arithmetic) multiply the sum of 14 and -25 with the difference of 15 and -9

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