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Q: Given below is the marks obtained by 20 students in mathmatics out of 30 marks. 7, 9, 12, 12, 13, 12, 14, 14, 14, 14, 15, 16, 17, 18, 18, 19, 20, 18, 20, 13.Then (2 × median – mode) of the data is equal to:
  • A. 14
  • B. 18
  • C. 12
  • D.
Correct Answer: Option A -
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Explanations:

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