Control Charts - Definition & Meaning
What is Control Charts?
It is a process control tool to know whether the process is under statistical control or not. This technique was developed by Walter A. Shewhart at Bell laboratories in 1920s.
These control charts are used to monitor the variance in product/service. The productivity and quality is increased as the operators and managers will know when the process is getting out of control.
There are 2 types of control charts:
1, x bar r charts: These charts are used to measure the variance of product characteristic. . It is used when the product attributes are measureable. It is computed by analysing small random samples over a period of time.
2. p charts: These charts are used to see the attribute compliance. When the product attributes do not yield any measurement but only a ‘yes or no’ answer/conclusion, these charts are used. It graphs the proportion of sample items which are not in compliance with the specifications.
This article has been researched & authored by the Business Concepts Team. It has been reviewed & published by the MBA Skool Team. The content on MBA Skool has been created for educational & academic purpose only.
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