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Post-UTME Mathematics 2018 Objective — Question 8

Question 8 of 20 from the Post-UTME Screening (Post-UTME) Mathematics 2018 Objective paper, with the correct answer and a full explanation.

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Find the mean deviation of the scores 2, 4, 4, 7, 8.

  • A. 2Correct
  • B. 4
  • C. 5
  • D. 6

Explanation

Mean = (2+4+4+7+8)/5 = 5. Deviations: 3,1,1,2,3. Sum=10. Mean deviation = 10/5 = 2.

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