If sum of the product of deviation of x and y series from their means, i.e., Ʃxy is zero the coefficient of correlation shall be
A. +1
B. 0
C. -1
D. None of these
Answer: Option B
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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