A data set has a mean of 24 and consists of 5 numbers. If 4 of the numbers are 23, 27, 18, 36, what is the remaining number?

Correct answer

C. 16

Explanation

Sum of all 5 numbers = mean × count = 24 × 5 = 120. Sum of the known numbers = 104. Remaining number = 120 - 104 = 16.

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