Q.State the main rules (requisites) of a good statistical table.

A good table is not just data in a grid — it follows definite rules that make it clear and self-explanatory.

The rules (requisites) of a good statistical table are:

1. Clear title, table number and unit. Every table needs a brief, self-explanatory title, an identifying number, and a head-note stating the unit of measurement.
2. Appropriate size. The table should be neither too large nor too small — it must fit the data without overcrowding; if there is too much data, split it into two or more tables.
3. Logical arrangement. Rows and columns should be arranged logically — by size, time, geography or alphabetically — and items to be compared should be placed close together (side by side) so comparison is easy.
4. Totals and sub-totals. Row and column totals (and useful sub-totals) should be shown.
5. Units clearly stated. The unit of measurement must be clear for every figure.
6. Abbreviations avoided or explained. Abbreviations in the body should be avoided; where used, explained in a footnote.
7. Source always given. A source note must state where the data came from, especially for secondary data. …

A common weakness is listing only 'title and source' and stopping — full marks need the fuller set, especially 'compared items placed close together', 'appropriate size', a …