| List-I | List-II | ||
| (A) | Mode | (I) | Measure of sampling variability |
| (B) | Quartile deviation | (II) | Measure of strength of linear relation |
| (C) | Correlation coefficient | (III) | Measure of central tendency |
| (D) | Standard error | (IV) | Measure of dispersion |
The coefficient of variation for the frequency distribution is:

The coefficient of variation for the frequency distribution is:
