The mean deviation of the values, 18, 12, 15, is_______________?
Correct answer: D. 2
- A. 6
- B. Zero
- C. 3
- D. 2
Explanation
The mean of 18, 12, and 15 is 15; their absolute deviations are 3, 3, and 0. Their average is (3 + 3 + 0)/3 = 2.
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