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Railways PYQCBT 1 2016

RRB NTPC · Question 95

What is the mean of the following distribution? 54, 23, 66, 44, 79, 21, 54, 67, 29, 59 A. 51.4 B. 49.6 C. 48.7 D. 45.3

  1. D

  2. A

  3. C

  4. B

Show answer & explanation

Answer: (D) B

Explanation

Sum = 54 + 23 + 66 + 44 + 79 + 21 + 54 + 67 + 29 + 59 = 496. Mean = 496/10 = 49.6.