The extent to which products meet specifications needs to be systematically monitored in a production process. Product quality will typically be defined by two quantities: deviations from stated ...

This is a preview. Log in through your library . Abstract Traditional statistical process control charts assume that observations are independent and normally distributed about some mean. We ...

In this article, a modified version of Duncan's (1956) model for the economic design of x̄-control charts is extended to deal with situations involving the Weibull shock model. In the traditional ...