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Consider the marks of obtained by 25 students in a mathematics test for a total of marks of 10. 5,8,6,4,2 5,4,9,10,2 1,1,3,4,5 8,6,7,10,2 1,1,3,4,4.

on January 25, 2022

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Statistics Important Points

1) Data = The facts or figures which are numerical or otherwise collected with a difinite purpose are called date . 2) Statistics = Ectraction of meaing from the data is studied in a brach of mathematics called statistion . 3) Primary Data = The date collected for a definite purpose by an investigator or a group of investigators directly is called primary data . 4) Secondary Data = When a data is collected from a source which had the information stored, the data thus obtained is called a secondary Date . 5) Raw Data = An information of facts and figures collected for a definite purpose in any manner is turned as a Raw Data .

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