Enkele opmerkingesn over de mogelijkheid van toepassing van mathematisch‐statistische methoden bij tijdstudieproblemen en in het bijzonder bij het Bedaux‐systeem

Th. A. de Leeuw

Statistica Neerlandica, 1948, vol. 2, issue 5‐6, 235-241

Abstract: Summary (Some remarks on the possibility of applying mathematical‐statistical methods to time‐study problems and in particular to the Bedaux system.) Time and motion study are based on observations of the workman's movements and an estimation of his efficiency. The time spent on a certain action in mass‐production is not constant but shows a considerable variation, due to various causes. The time‐study‐man who investigates this action and expresses it in a rate, causes still more variations by certain inaccuracies in using the stopwatch and calculating the rate itself. Considered from a statistical point of view, these cumulating variations result in a standard‐error in the calculated rate; this gives rise to some interesting phenomena. A more statistical approach tot the whole problem is shown in this article to be possible. In the discussion, the application of the Beaux‐system is assumed, but the conclusions hold good for all time study systems.

Date: 1948
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