Given the set: # {-2,10,-8,-14,x,7,-6} #, for what x would the mean of the set be -8?
1 Answer
Dec 3, 2015
The mean of the set is
Explanation:
You can calculate the mean of the set by adding all the numbers and dividing the sum by the amount of numbers.
In this case, the mean of your set would be
So, in order to find
... multiply both sides with
... add