Shobe, Kristin N.2015-05-082015-05-081988http://hdl.handle.net/10919/52076This thesis examines the use of variable sampling intervals as they apply to control charts that use count data. Papers by Reynolds, Arnold, and R. Amin developed properties for charts with an underlying normal distribution. These properties are extended in this thesis to accommodate an underlying Poisson distribution.vi, 55 leavesapplication/pdfen-USIn CopyrightLD5655.V855 1988.S429Sampling (Statistics)Quality control -- Charts, diagrams, etcThesis