## Abstract

*Definition. A collection or an aggregate of well-defined objects is called a set*. Those objects which belong to the set are called *elements* of the set. Sets are usually denoted by capital letters *A*, *B*, *C*, etc., and their elements by small letters *a*, *b*, *c*, etc. Set, aggregate, group, collection, etc., are synonyms in ordinary language but in mathematical language they do not have the same meaning. ‘ Well-defined ’ here means that any object may be classified as either belonging to a set *A* or not belonging to the set *A*.

## Keywords

Statistical Population Class Limit Simple Random Sample Frequency Curve Frequency Table
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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## Copyright information

© A. M. Mathai and P. N. Rathie 1977