Meaning Of Statistics:

Being a very vast subject different people think statistics differently how ever most of the people think of statistics in the following three ways:

1. in General people consider statistics as a subjects which deals with averages, percentages, graphs, charts, and tables.
2. Some other people think that statistics is a subject which consists of some methods, some rules, some techniques, and some formulae, which are used in collecting, and presentation of large amount of numerical information.
3. While other people consider statistics to be a subject which is used to make inference about the population  on the basis of sample information.  it is interesting to note that inference is made either:

(i) On the basis of sample information

This is done when it is impossible or it costs much to consider the whole population. then we take a sample which is actually a part of the population and examine it, and then make some inference about the population, this is done in sampling techniques and estimation.

(ii)  On the basis of past information:

this is very effective that we collect past records and data use some technique like regression and others to estimate, and predict about the future outcome. these techniques are useful when there is dependency among the variables.

Origin of Statistics:

The word “Statistics” is said to be Either Latin root derived form “Status” of Italian word “Statista” these both mean the same as  political state or Government. Statistics originally  meant information useful to state or government. for example. the size of the population, the number of patient in the hospitals etc.

Now a days The word statistics is defined in the following senses:

(i ) Statistics in  Singular sense:

in singular senses statistics means a subject which is a body of some methods, techniques, rules and formulae.

which are useful in collection, presentation, analysis, and interpretation of Numerical facts or data.

(ii)   Statistics in plural sense:

In Plural Sense the word “statistics” refers to “numerical information” or numerical facts. for example:

Statistics of prices   (data or information related to prices)

Statistics of road accidents.   (data or information related to road accidents)

statistics of educational institutions:

Statistics in plural sense can also be called “Statistical Data”             

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