This important book written for upper level public health students covers the basics of biostatistics and outlines the standard techniques of data collection and analysis. It includes key elements of vital statistics, such as mass data of the health fields; the content of vital statistics; methods of collecting, tabulating, and graphing population data; discussion of vital indices and the distinction between crude, specific and adjusted rates; direct standardization; and life table analysis. The book also contains inferential such as normal distribution, measures of central tendency and dispersion, hypothesis testing, confidence intervals, regression and correlation.