When conducting surveys, two kinds of nonresponse may cause incomplete data files: unit nonresponse (complete nonresponse) and item nonresponse (partial nonresponse). The selectivity of the unit ...
This paper describes an experiment which is a practical realization of Buffon's needle-throwing problem. The experiment can be looked on as a Monte Carlo method of determining π. As with all Monte ...
Lecturer in Science Education, Sussex School of Education and Social Work, University of Sussex Science evokes images of Bunsen burners, coloured liquids, vapours rising from flasks, white coats and ...
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