Respuesta :

Sarah06109
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
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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

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