Monday 24 October 2016

MEANING OF STATISTICS(PLURAL SENSE, TECHNICAL SENSE)

2.   Plural sense. (Narrow sense / Statistical data)
In its plural sense the word “statistics” means numerical facts collected in any field of study by using a statistical method.
In other words, “Statistics” means the numerical statement of facts which are systematically collected with some definite purpose. These facts are based upon observations, experiments or measurements. e.g. simple figures such as 5,10,15,20,25,30 do not show any statistics , but  5,10,15,20,25,30 marks obtained by six students in an examination out of the total 50 marks from a statistics.
Some definition of Statistics as statistical data are ;
i)                   The word statistics used in the plural refer to a collection of numerical facts.
ii)                By statistics we mean quantitative data affected to a marked extent by multiplicity of cause.


3.   Technical sense (Plural of statistics)
Thirdly the word Statistics ins used as the Plural of the word Statistic, which means a numerical value, calculated from few sample observations (sample data)
It means any numerical value which calculated from sample data. It is called statistic. e.g.  , S etc are statistic.
Example:
If we select 10 students at random from a class of 100 and measure their height and find the average height, then this average height will be statistic.


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