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Quality Management Tool, NAJWA MOHD ARIFF (CB17163), SECTION 01B - Coggle…
Quality Management Tool
About?
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Suitable for people with little formal training in statistic, because can be used to solve problems regarding quality.
7 Quality Tools
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Use a cause-and-effect diagram - organize brainstorming information about potential causes of a problem.
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No correct way to draw fishbone diagram, depend on the situation.
Description
A structured, prepared form for collect and analyzed data.
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When to use?
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When collect data on the frequency or pattern of event, problem, defect location, defect causes.
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A graph diagram that pair of numerical data, with one variable on each axis, to look for a relationship between them
If variable are correlated, the points will fall along a line or curve.
Better correlation, the tighter points will hug the line
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Help visualize what is going on and thereby help understand a process, ad help finding flaws, bottlenecks and other less-obvious features within it.
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Always has a central line for the average, an upper line for the upper control limit and a lower line for the lower control limit. The line are determined from historical data
By comparing current data to these lines, you can draw conclusions about whether the process variation is consistent or is unpredictable.
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