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Find the mean deviation about the median of 3, 9, 5, 3, 12, 10, 18, 4, 7, 19, 21.

Competition practiceStatistics
  • A5.8
  • B6.2
  • C5.27
  • D9

Step-by-Step Solution

Ordered: 3, 3, 4, 5, 7, 9, 10, 12, 18, 19, 21; median . Sum of ; MD .
Answer: C) 5.27

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