Statisticshard · Past Paper
For the data 2, 8, 3, 7, 5, what is the mean deviation from the mean?
A0
B2
C5
D25
✓ Correct Answer: B — 2
Mean = 25/5 = 5. Deviations: |-3|, |3|, |-2|, |2|, |0|. Sum = 10. Mean deviation = 10/5 = 2.
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