WAEC Mathematics 2015 Objective — Question 44
Question 44 of 50 from the West African Examinations Council (WAEC) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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Calculate the mean deviation of 5, 3, 0, 7, 2, 1
- A. 0.0
- B. 2.0Correct
- C. 2.5
- D. 3.0
Explanation
Mean = (5+3+0+7+2+1)/6 = 18/6 = 3. Mean deviation = Σ|x−mean|/n = (2+0+3+4+1+2)/6 = 12/6 = 2.0.
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