Statistics

A. L. Bowley accuracy analysis applied average batch Beatrice Webb Britain calculated causes census cent chance changes Chapter character consider consumption correlation death rate described diagram Drivers E. S. Pearson economic effect electric lamps employment rate England and Wales estimate exact laws example experimental experimental control experiments factors facts Figure 15A forecasting frequency distribution give given Ho-ti hypotheses idea important income increase index numbers individuals industry insured workers investigation kind knowledge large number married couples milk necessary number of accidents Number of Deaths oatmeal observations obtain percentage spinsterhood person probability problems qualitative economic quantities questions R. A. Fisher random errors random sampling reason relations reproduction rate scientific scores social sometimes standard error statistical data statistical laws statistical methods statistician Table theory of random things tion trend Udny Yule usually various weight Yorkshire Dales