Match the following in the term of Terms and Explanation:

List-I (Terms)	List-II (Explanation)
a. $$\frac{{{Z^2} \cdot \sigma _p^2}}{{{e^2}}}$$	1. Measurement for Kurtosis
b. $$\frac{{\left| {\overline {{X_1}} - \overline {{X_2}} } \right|}}{{\sqrt {\sigma _p^2\left( {\frac{1}{{{n_1}}} + \frac{1}{{{n_2}}}} \right)} }}$$	2. Calculated value of $$F$$ ratio
c. $$\frac{{{\mu _4}}}{{\mu _2^2}}$$	3. Statistical approach to find out the size of sample
d. $$\frac{{\sigma _{{s_1}}^2}}{{\sigma _{{s_2}}^2}}$$	4. Calculated $$z$$ value of mean differences