Sequential Lot Acceptance Test Calculator

A sequential lot acceptance test calculator was recently added to the Reliability Analytics Toolkit.  Sequential testing is a very efficient way of demonstrating lot quality with relatively few samples.  The calculator tests the mean of the binomial distribution and can be applied where each unit is classified into one of two categories, good or defective. The underlying technique, developed during World War II, is based on the work of mathematician Abraham Wald while at Columbia University’s Statistical Research Group.  Continue reading