A Chart control can analyze from two to six variables. The control supports long variable names, and mixed-case variable names. You can view the chart in two or three visual dimensions, called the ...

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 ...

A Pie control can analyze one, two, or three independent variables. The number of data dimensions must correspond to the number of independent variables in the analysis. To set the data dimension, use ...

Dublin, Sept. 23, 2025 (GLOBE NEWSWIRE) -- The "Statistical Process Control (SPC) and Control Charts for Laboratory Compliance (Oct 14, 2025)" training has been added to ResearchAndMarkets.com's ...

Modern studies have shown that the X̄ control charts with variable parameters (VPs) detect process shifts faster than the traditional X̄ control charts. This article developed the economic design of ...

In this paper we derive the operating characteristic of the control chart for sample means when process standards are unspecified. Under the null hypothesis the distribution of the process is N(μ, σ2) ...