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Statistics is called as a Royal subject for all the right reasons. Statistics has been used since ages for something or the other in every field. Although this royal subject needs no introduction, to start with a brief overview of the subject; Statistics is the branch of science that refers to the systematic collection, organizations, analysis, interpretation and then presentation of numeric or quantitative data. To use statistics in different aspects of life or profession, it is recommended to first start with the standardized collection of correct data. Statistics can beclassified into two branches, that are: 1.             Descriptive Statistics 2.             Inferential Statistics ·      Descriptive Statistics Descriptive Statistics is that branch of statistics in which statistical data is arranged in asummarized manner. The goal of this school ...