Statistics has been defined differently by different authors from time to time. Generally it is considered to be the subject that deals with percentage, charts and tables. The word statistics comes from the Latin word status, meaning a political state originally meant information useful to the state e.g. information about the size of populations and armed forces. The word statistics is defined as a discipline that includes procedure and techniques used to Collect Process Analyze numerical data to make inference and to reach decision in the face of uncertainty.