Focusing on the design and analysis of experiments and surveys in biology, this text contains practical, nontechnical advice on carrying out successful projects and producing clear, informative reports. This edition offers more detailed explanation of elementary probability, greater emphasis on experimental design and data simulation, and a template for executing statistical tests, along with worked examples, updated Minitab analyses and graphics, and a CD-ROM with a free trial version of Minitab. The book also covers sampling, randomization, replication, and controls and explains the models and assumptions behind