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Railways PYQCBT 2 2017

RRB NTPC · Question 113

What is the median of the following distribution? 67, 31, 53, 22, 66, 98, 43, 54, 77, 13, 43, 97, 36, 12, 90, 53

  1. 53

  2. 56.5

  3. 54

  4. 54.5

Show answer & explanation

Answer: (A) 53

Explanation

Sorted: 12, 13, 22, 31, 36, 43, 43, 53, 53, 54, 66, 67, 77, 90, 97, 98. With 16 values the median is the mean of the 8th and 9th values: (53 + 53)/2 = 53.