7 qc tools , why why analysis

Question

Accepted Answer

The 7 QC tools are used for quality control and the Why Why analysis is used to identify the root cause of a problem.

The 7 QC tools include Pareto chart, cause-and-effect diagram, control chart, histogram, scatter diagram, flowchart, and check sheet.
Why Why analysis involves asking 'why' multiple times to identify the underlying cause of a problem.
It helps in identifying the root cause of a problem and taking corrective actions to prevent it from recurring.
For example, if a machine breaks down, asking 'why' multiple times can reveal that the root cause was lack of maintenance.
The 7 QC tools and Why Why analysis are commonly used in manufacturing, healthcare, and other industries to improve quality and efficiency.

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