For $${\chi ^2}$$ test no theoretical cell frequency should be small, it should be at least
A. 5
B. 8
C. 4
D. 12
Answer: Option A
A. 5
B. 8
C. 4
D. 12
Answer: Option A
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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