Question

Find the mean of this set of numbers.

9, –6, –8, 11, –4, 10

A.
12

B.
48

C.
2

D.
8

Answer 1

Count the number N of data points in your data set.
Sum up the total of your data set; add them all together.
Average = Mean = Sum/N.

Answer 2

=9+( –6)+ (–8) +11+(–4)+10
=12
=12/6
=2