Answer:
-1.3333333333
Step-by-step explanation:
To find the mean add all the numbers in a given set of data.
-4 + -3 + -1 + -1 + 0 + 1 = -8
Then, divide the sum by the number of given numbers in the set.
-8 ÷ 6 = -1.3333333333
The answer is -1.3333333333.
