| Basis | Dispersion | Skewness |
| Nature | Shows the spread of values from the central value | Shows whether series is symmetrical or asymmetrical |
| Basis | It depend upon the averages of second order. | Depends upon the averages of first and second order. |
| Relationship with moment | Based on all three moments | Based on first and third moment only. |
| Variability | Study of the Variabili
| Study of concentration in lower and higher variables. |
| Diagrammatic presentation | Cannot be presented by means of diagrams & graphs. | Skewness can be presented by diagram. |
| Inference | All the measures of dispersion are positive. | Coefficient of skewness can be positive or negative. |