A data set has a mean of 26 and consists of 4 numbers. If 3 of the numbers are 35, 32, 35, what is the remaining number?

Correct answer

C. 2

Explanation

Sum of all 4 numbers = mean × count = 26 × 4 = 104. Sum of the known numbers = 102. Remaining number = 104 - 102 = 2.

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