David Duncan was a renowned statistician who made significant contributions to the field of quality control and industrial statistics. His work focused on the development of statistical methods for monitoring and controlling industrial processes. One of his most notable contributions is the development of the Duncan Multiple Range Test, a statistical test used to compare the means of multiple groups.
Duncan, D. B. (1955). The Economic Design of $\bar{X}$ Charts When There Are Variable Sampling Costs. Journal of the American Statistical Association, 50(272), 429-445. quality control and industrial statistics duncan pdf
Quality control refers to the processes and techniques used to ensure that products meet certain standards of quality. This involves monitoring and controlling the production process to prevent defects and variations in the final product. The goal of quality control is to produce products that are consistent, reliable, and meet customer expectations. David Duncan was a renowned statistician who made