What is the mean deviation of 3, 5, 8, 11, 12 and 21?

MATHEMATICS
JAMB 2007

What is the mean deviation of 3, 5, 8, 11, 12 and 21?

  • A. 4.7
  • B. 60
  • C. 3.7
  • D. 10

Correct Answer: A. 4.7



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