If quartile deviation of 20 items is 20 and mean is 30, then value of mean deviation will be
A. 24
B. 12
C. 6
D. 1.5
Answer: Option A
Related Questions on Agricultural Statistics
A. Field trails
B. Exhibitions
C. Competition
D. Fair
The intelligency, ability or efficiency can be measured by use of
A. Median
B. G.M.
C. Weighted H.M.
D. Geometric mean
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