What are Control Charts?
A control chart is used to develop control over the process of manufacturing by making checkpoints.
With the help of a control chart, we mainly used some techniques that have been based on the method of deviation and this deviation is the there as many charts have been developed n chart, P chart and some other charts are also important to make a proper analysis of the process that it is working properly or not. But we will not focus on the specific control chart but make general assumptions to make a clear understanding of the control chart. To get Control Charts Assignment Help contact Tutorspoint now.
The chart may have other alternative features, including:
a) The upper and Lower limit in this chart is the warning limits, both limits draw separately and show by different lines, typically two standard errors above and below the center line.
b) The division into zones, with the addition of rules governing frequencies of observations in each zone.
c) Annotation with events of interest, as determined by the standard Engineer responsible for the process's quality.
The above graph has three lines upper control line (UCL) central control line (CCL) and the lover control line (LCL). A central line is showing the expected quality of the product, and if the quality of the product declined point also declines towards the X-axis, and if all points are lying nearby the central line then it is considered a quality product.
In the above graph, we can see all points are lying within an average distance from the central line, and it concluded that the product is good in quality. The upper and lower line is the boundary.
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