what is the mean? if the answer is a decimal, round it to the nearest tenth. -80 71 81 73 -74 -70 -73 -64

Answer:

-11.9

Explanation:

Step1: Find the sum of numbers

$-80 + 71+81 + 73-74-70-73-64=-95$

Step2: Calculate the number of values

There are 8 values.

Step3: Calculate the mean

The mean $\bar{x}=\frac{-95}{8}=-11.875$

Step4: Round to the nearest tenth

Rounding - 11.875 to the nearest tenth gives - 11.9.