Xbar r chart example7/12/2023 ![]() The X-bar, EWMA, Moving Average, Individuals, Range, Standard deviation, Moving Range, and CUSUM charts are available. These procedures generate various control charts useful for monitoring the average and variability of a process. X-bar, R, s, CUSUM, EWMA, Moving Average, Individuals, and Moving Range Charts There you will find formulas, references, discussions, and examples or tutorials describing the procedure in detail. If you would like to examine the formulas and technical details relating to a specific NCSS procedure, click on the corresponding '' link under each heading to load the complete procedure documentation. This page provides a general overview of the tools that are available in NCSS for statistical quality control. The quality control procedures in NCSS are visual and numeric tools used to monitor whether a process is in control by examining whether measurement summaries stay within the specified precision limits. Operating Characteristic Curves for Acceptance Sampling for Attributes.X-bar, R, s, CUSUM, EWMA, Moving Average, Individuals, and Moving Range Charts. ![]() To see how these tools can benefit you, we recommend you download and install the free trial of NCSS. Use the links below to jump to a quality control topic. Each procedure is easy to use and is validated for accuracy. Quality Control in NCSS NCSS contains several tools and charts for analyzing quality control, including X-bar, R, s, P, NP, C, U, EWMA, CUSUM, Individuals, Moving Range, Pareto, and Levey-Jennings charts.
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