Elementary Statstics

4.1.1 Objectives of classification

The principal objectives of classifying the data are :

1. To condense the mass of data in such a manner that similarities and dissimilarities can be readily apprehended. Millions of figures can thus be arranged in a few classes having common features.
2. To facilitate comparison.
3. To pointout the most significant features of the data at a glance.
4. To focus the important information collected.
5. To enable a statistical treatment of the material collected.