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What are statistics about? How can statistics be used effectively in business? (Please give me some examples)

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Statistics is defined in many ways. Statistics defined by few statisticians
Its science of estimates and probability - Boddington
Its the science and art of handling aggregate of facts - observing, enumeration, recording, classifying and otherwise systematically treating them. - Harlow
Its the method of judging collective natural or social phenomenon from the results obtained from the analysis or enumeration or collection of estimates. - King
Its regarded as a body of methods for making wise decisions in the face ...

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