Standard error of number of successes is given by
A. $$\sqrt {{\text{npq}}} $$
B. $$\sqrt {\frac{{{\text{pq}}}}{{\text{n}}}} $$
C. $${{\text{n}}^2}{{\text{p}}^2}$$
D. $$\sqrt {\frac{{{\text{np}}}}{{\text{q}}}} $$
Answer: Option A
A. $$\sqrt {{\text{npq}}} $$
B. $$\sqrt {\frac{{{\text{pq}}}}{{\text{n}}}} $$
C. $${{\text{n}}^2}{{\text{p}}^2}$$
D. $$\sqrt {\frac{{{\text{np}}}}{{\text{q}}}} $$
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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