What is the mean of these set of numbers {–8, –4, –3, –11}?
a. –6.5
b. –4.5
c. 4.5
d. 6.5

I think the correct answer among the choices listed above is option A. Mean is synonymous to the average of the set of numbers. It is calculated by adding up the numbers divided by the number of data added.

Mean = (-8 + -4 + -3 + -11) / 4 = -6.5

Bis the right answer