Emphasizes the strategy of experimentation, data analysis, and the interpretation of experimental results. * Features numerous examples using actual engineering and scientific studies. * Presents statistics as an integral component of experimentation from the planning stage to the presentation of the conclusions. * Deep and concentrated experimental design coverage, with equivalent but separate emphasis on the analysis of data from the various designs. * Topics can be implemented by practitioners and do not require a high level of training in statistics. * New edition includes new and updated material and computer output.