multiply the sum of and with the difference of and

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

Subtract from .

Add and .

Subtract from .

Move the negative in front of the fraction.

Divide.

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.

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