A data set has a mean of 16 and consists of 6 numbers. If 5 of the numbers are 28, 16, 28, 13, 5, what is the remaining number?

Correct answer

A. 6

Explanation

Sum of all 6 numbers = mean × count = 16 × 6 = 96. Sum of the known numbers = 90. Remaining number = 96 - 90 = 6.

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