In plural sense statistics means numerical facts.The definitions mentioned below point to the plural sense of statistics.In the words of Croxton and Cowden, “Statistics can be defined as the collection presentation and interpretation of numerical data.” According to Bowley, “Statistics are numerical statement of facts in any department of enquiry placed interrelation to each other”. The most accepted definition of statistics is one which is given by Horace Secrist. According to Horace Secrist, “By Statistics we mean aggregate of facts affected to a marked extent by multiplicity of causes numerically expressed, enumerated or estimated according to a reasonable standard of accuracy, collected in a systematic manner for a pre-determined purpose and placed in relation to each other.”