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  9. Q108

UKPSC PCS 2010 · Question 108 of 138

If the value of mod is 25.5 find the value of medium is 16.5 the value of arithmetic mean will be

Statistics

  1. A5
  2. B0
  3. C5
  4. D12Correct

Answer: D. 12

Explanation

Mode = 3xMedian - 2xMean gives 25.5 = 49.5 - 2M, so mean = 12.

Source: UKPSC Lower PCS Prelims 2010 (Combined Lower Subordinate Services Exam), held 2011

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