Unformatted text preview: h of Statistics:
The word ‘ Statistics’ and ‘ Statistical’ are all derived from
the Latin word Status, means a political state. The theory of
statistics as a distinct branch of scientific method is of
comparatively recent growth. Research particularly into the
mathematical theory of statistics is rapidly proceeding and fresh
discoveries are being made all over the world.
Meaning of Statistics:
Statistics is concerned with scientific methods for
collecting, organising, summarising, presenting and analysing data
as well as deriving valid conclusions and making reasonable
decisions on the basis of this analysis. Statistics is concerned with
the systematic collection of numerical data and its interpretation.
The word ‘ statistic’ is used to refer to
1. Numerical facts, such as the number of people living in
2. The study of ways of collecting, analysing and interpreting
Statistics is defined differently by different authors over a
period of time. In the olden days statistics was confined to only
state affairs but in modern days it embraces almost every sphere of
1 human activity. Therefore a number of old definitions, which was
confined to narrow field of enquiry were replaced by more
definitions, which are much more comprehensive and exhaustive.
Secondly, statistics has been defined in two different ways –
Statistical data and statistical methods. The following are some of
the definitions of statistics as numerical data.
1. Statistics are the classified facts representing the conditions
of people in a state. In particular they are the facts, which
can be stated in numbers or in tables of numbers or in any
tabular or classified arrangement.
2. Statistics are measurements, enumerations or estimates of
natural phenomenon usually systematically arranged,
analysed and presented as to exhibit important interrelationships among them.
1.4.1 Definitions by A.L. Bowley:
Statistics are numerical statement of facts in any department
of enquiry placed in relation to each other....
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