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Let P be the median of the data: 34, 28, 20, 32, 15, 9, 23, 26, 35, 16, 33, 43. If 16 and 23 are replaced by 30 and 32 respectively in the data, then let Q be the median of the resulting data. What is the value of (3P – 2Q)?
- A21
- B15
- C19
- D18
Correct answer: C