This text was developed with the health information student in mind. The format is reader friendly and designed so that the student can evaluate their understanding of the material as they progress through the chapters. There are many problems and examples that test understanding and knowledge. The material from previous chapters is integrated so students don't forget what they have already learned, and the material is expanded to include basic statistical knowledge such as measures of central tendency, frequency distributions, and graphing of representative data as well as a review of basic mathematical concepts