Q. Find the value of '?, if the mean of the data set 18, 16, 22, 13, ? = 16.
A) 11
B) 9
C) 12
D) 10
✔ Correct Answer: 11
Exam Insight
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A) 11
B) 9
C) 12
D) 10
✔ Correct Answer: 11
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