The validity of regression coefficientis tested by
A. z-test
B. t-test
C. $${\chi ^2}$$-test
D. Both A and B
Answer: Option D
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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