●。 I Words of Douglas G. Altman in Practica/ Statistics for Medica/ Research In general the emphasis is on results(which are presented as facts), with little or no regard to the manner in which they were obtained, which is probably why the subject of statistics is widely seen as relating solely to the analysis of data and the presentation of numerical results while these are important parts of statistics, there is much else besides. In particular, how and why the data were collected are supremely importantWords of Douglas G. Altman in Practical Statistics for Medical Research In general the emphasis is on results (which are presented as facts), with little or no regard to the manner in which they were obtained, which is probably why the subject of statistics is widely seen as relating solely to the analysis of data and the presentation of numerical results. While these are important parts of statistics, there is much else besides. In particular, how and why the data were collected are supremely important