Answer:
-2.6
Step-by-step explanation:
The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
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Answer:
-2.6
Step-by-step explanation:
To find the average (arithmetic mean) of 1,2,-1,-4, and -11, add up the numerals (obtaining -13) and then divide this sum by the number of numerals (5):
-13
average = arithmetic mean = ------ = -2.6
5
