Given a set {−3,x,3,4,6}, for what x would the mean of the set be -11?
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Answer: -65
Step-by-step explanation:
Mean = Sum of observations ÷ Total
no. of observations
-11 = (-3+x+3+4+6)÷5
-11×5 = 10+x
-55 - 10 = x
x = -65
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