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Quality Control Chart

What is 'Quality Control Chart'

A graphic that depicts whether sampled products or processes are meeting their intended specifications and, if not, the degree by which they vary from those specifications. Analyzing the pattern of variance depicted by a quality control chart can help determine if defects are occurring randomly or systematically.

Explaining 'Quality Control Chart'

Different types of quality control charts, such as X-bar charts, S charts and Np charts are used depending on the type of data that needs to be analyzed. A quality control chart can also be univariate or multivariate, meaning that it can show whether a product or process deviates from one or from more than one desired result.


Further Reading


Multivariate quality control chart for autocorrelated processes
www.tandfonline.com [PDF]
… 1991 Control charts for monitoring the mean and variance of autocorrelated processes Journal of Quality Technology 31 3 259 273 [Google Scholar]; Mason, RL, Tracy, ND and Young, JC. 1995. Decomposition of for multivariate control chart interpretation. Journal of Quality …

A distribution-free Shewhart quality control chart based on signed-ranksA distribution-free Shewhart quality control chart based on signed-ranks
www.tandfonline.com [PDF]
… 1991 Control charts for monitoring the mean and variance of autocorrelated processes Journal of Quality Technology 31 3 259 273 [Google Scholar]; Mason, RL, Tracy, ND and Young, JC. 1995. Decomposition of for multivariate control chart interpretation. Journal of Quality …

A mixed control chart to monitor the processA mixed control chart to monitor the process
www.tandfonline.com [PDF]
… 1991 Control charts for monitoring the mean and variance of autocorrelated processes Journal of Quality Technology 31 3 259 273 [Google Scholar]; Mason, RL, Tracy, ND and Young, JC. 1995. Decomposition of for multivariate control chart interpretation. Journal of Quality …

A quality control chart for work performance appraisalA quality control chart for work performance appraisal
www.tandfonline.com [PDF]
… 1991 Control charts for monitoring the mean and variance of autocorrelated processes Journal of Quality Technology 31 3 259 273 [Google Scholar]; Mason, RL, Tracy, ND and Young, JC. 1995. Decomposition of for multivariate control chart interpretation. Journal of Quality …

Decision tree based control chart pattern recognitionDecision tree based control chart pattern recognition
www.tandfonline.com [PDF]
… 1991 Control charts for monitoring the mean and variance of autocorrelated processes Journal of Quality Technology 31 3 259 273 [Google Scholar]; Mason, RL, Tracy, ND and Young, JC. 1995. Decomposition of for multivariate control chart interpretation. Journal of Quality …

Multivariate control chart for process dispersion based on individual observationsMultivariate control chart for process dispersion based on individual observations
www.tandfonline.com [PDF]
… 1991 Control charts for monitoring the mean and variance of autocorrelated processes Journal of Quality Technology 31 3 259 273 [Google Scholar]; Mason, RL, Tracy, ND and Young, JC. 1995. Decomposition of for multivariate control chart interpretation. Journal of Quality …

Number of replications required in control chart Monte Carlo simulation studiesNumber of replications required in control chart Monte Carlo simulation studies
www.tandfonline.com [PDF]
… 1991 Control charts for monitoring the mean and variance of autocorrelated processes Journal of Quality Technology 31 3 259 273 [Google Scholar]; Mason, RL, Tracy, ND and Young, JC. 1995. Decomposition of for multivariate control chart interpretation. Journal of Quality …

Designs of moving average control chartDesigns of moving average control chart
www.tandfonline.com [PDF]
… 1991 Control charts for monitoring the mean and variance of autocorrelated processes Journal of Quality Technology 31 3 259 273 [Google Scholar]; Mason, RL, Tracy, ND and Young, JC. 1995. Decomposition of for multivariate control chart interpretation. Journal of Quality …

Guaranteed conditional performance of the Guaranteed conditional performance of the
www.tandfonline.com [PDF]
… 1991 Control charts for monitoring the mean and variance of autocorrelated processes Journal of Quality Technology 31 3 259 273 [Google Scholar]; Mason, RL, Tracy, ND and Young, JC. 1995. Decomposition of for multivariate control chart interpretation. Journal of Quality …

Attribute control chart for multivariate Poisson distributionAttribute control chart for multivariate Poisson distribution
www.tandfonline.com [PDF]
… 1991 Control charts for monitoring the mean and variance of autocorrelated processes Journal of Quality Technology 31 3 259 273 [Google Scholar]; Mason, RL, Tracy, ND and Young, JC. 1995. Decomposition of for multivariate control chart interpretation. Journal of Quality …


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