Verified Answer :

dalendrk

\(\dfrac{-11+22+(-2)+(-3)}{4}=\dfrac{22-16}{4}=\dfrac{6}{4}=\fbox{1.5}\to\fbox{C.}\)

meerkat18

Since there are four numbers in the set, their mean (average) is calculated by dividing by four their sum. 
  Sum = -11 + 22 + -2 + -3 = 6
Dividing the sum by four gives an answer which is equal to 1.5. Thus, the answer is letter C.

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