Respuesta :
First, add all the numbers together, the answer is -27.
Then, divide by the amount of numbers in the data set, in this case 9.
-27/9=-3
Then, divide by the amount of numbers in the data set, in this case 9.
-27/9=-3
Answer:
-3
Step-by-step explanation:
The mean is simply is the sum of a collection of numbers divided by the number of numbers in the collection.
-27 / 9 = -3