On the Two Different Aspects of the Representative Method: the Method of Stratified Sampling and the Method of Purposive Selection

摘要: Owing to the work of International Statistical Institute,* and perhaps still more personal achievements Professor A.L. Bowley, theory possibility practical applications representative method has attracted attention many statisticians in different countries. Very probably this popularity is also partly due general crisis, scarcity money necessity carrying out statistical investigations connected with social life a somewhat hasty way. The results are wanted some few months, sometimes weeks after beginning work, there neither time nor for an exhaustive research.