Match the items of List-I with the items of List-II and indicate the option of correct matching:

List-I	List-II
a. Contingency coefficient for any size of contingency table	1. $$\sqrt {\frac{{N - n}}{{N - 1}}} $$
b. Statistical approach to decide size of a sample	2. $$\frac{{{\sigma _p}}}{{\sqrt n }}$$
c. Finite population multiplier	3. $$\sqrt {\frac{{{x^2}}}{{{x^2} + n}}} $$
d. Standard error of mean	4. $$\frac{{{Z^2}.\sigma _p^2}}{{{e^2}}}$$

A. a-1, b-2, c-3, d-4

B. a-3, b-4, c-1, d-2

C. a-1, b-3, c-2, d-4

D. a-3, b-2, c-4, d-1

Answer: Option B