A data set has a mean of 24 and consists of 5 numbers. If 4 of the numbers are 39, 19, 15, 15, what is the remaining number?
- A. 32 ✓
- B. 37
- C. 24
- D. 27
Correct answer
A. 32
Explanation
Sum of all 5 numbers = mean × count = 24 × 5 = 120. Sum of the known numbers = 88. Remaining number = 120 - 88 = 32.
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