"The aim here is to try to contribute something to the improvement of statistical practice. The basic supposition here is that any statistical investigation is carried out for purposes of action. New knowledge modifies existing knowledge. " Deming distinguishes between enumerative studies and analytic studies. An enumerative study has for its aim an estimate of the number of units of a frame that belong to a specified class. An analytic study has for its aim a basis for action on the cause-system or the process, in order to improve product of the future.
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