A probability and statistics companion This handy book contains introductory explanations of the major topics in probability and statistics including hypothesis testing and regression while also delving into more advanced topics such as the analysis of sample surveys analysis of experimental data and statistical process control. The book recognizes that there are many sampling techniques that can actually improve on simple random sampling and in addition an introduction to the design of experiments is provided to reflect recent advances in conducting scientific experiments. This blend of coverage results in the development of a deeper understanding and solid foundation for the study of probability statistics.