different between quality control & quality assurance
P Chart.
U Chart
Can improve our process,
Using a control chart shows the effects of alterations to your process and helps you correct any errors in real time. You can also predict the range of possible future results.
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what is group chart in quality control
Statical involve movement, transformation, reaction.
Statical friction
One can find many examples of quality control charts on the 'StatSoft' website where they have examples of common types of chart. One can also find examples on 'Gigawiz'.
Perhaps the most characteristic tool of statistical quality control is the control chart. In its simplest form the control chart is a continuous record of some feature of a process that is deemed to indicate whether that process is 'in control' or not. As long as the control chart shows that the process is within, say, three standard deviations of its mean behaviour it will be considered 'in control'; otherwise not, and steps to correct it taken.Before this system can be put into operation experimentation will be necessary, which implies the need for experimental design. One the system is in place, attempts are often made to find ways of improving the process under control to reduce the number of departures outside the control limits, or to narrow the limits.Please see the link.
relevance of du-pont control chart to the industry?
Quality control in manufacturing
control it
Q.1 (a) How Operator Quality Control is different from Foreman Quality Control?
statical history. (history with statistics)
statical asistent
Shewhart is the correct spelling of Walter Shewhart's last name. He was and American engineer, statistician, and physicist who is known as "The Grandfather of Total Quality Management." His control chart played a big part in the quality movement in the 20th century.