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A Scientific method is often the guide of a correct scientific theory.Therefore,study on the theoretical research methods of statistics is most important in both theoretical research and practice of statistics. The theoretical research methods of statistics, as a system,can be divided into three levels in accordance with the general degree and the adaptable range, i.e.:methodolegy level,fundamental method level and concrete method level. They,from various sides, form the mode of thinking for both the theorstical research and practice of statistics. The research methods system based on the three levels will meet the need of all roundness,variousness and complexity for the research tasks of statistics.
A Scientific method is often the guide of a correct scientific theory. Before, study on the theoretical research methods of statistics is most important in both theoretical research and practice of statistics. The theoretical research methods of statistics, as a system, can be divided into three, in accordance with the general degree and the adaptable range, ie: methodolegy level, fundamental method level and concrete method level system based on the three levels will meet the need of all roundness, variousness and complexity for the research tasks of statistics.