- A4
- B5.66
- C4.8
- D6
Step-by-Step Solution
Mean . Absolute deviations: 8, 4, 0, 4, 8; sum 24. MD . (5.66 is the standard deviation.)
Answer: C) 4.8
Find the mean deviation about the mean of 3, 7, 11, 15 and 19.
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