Explain 7 QC tools with example

Question

Accepted Answer

The 7 QC tools are basic tools used for quality control in manufacturing processes.

Check sheet: Used to collect and analyze data, such as defects in a product.
Control chart: Monitors process variation over time, helping to identify trends and abnormalities.
Histogram: Displays data distribution, showing the frequency of occurrence of a particular quality characteristic.
Pareto chart: Helps prioritize issues by showing the most significant factors contributing to a problem.
Scatter diagram: Shows the relationship between two variables, helping to identify potential correlations.
Stratification: Helps analyze data by dividing it into subgroups based on specific criteria.
Cause-and-effect diagram (Fishbone diagram): Identifies potential causes of a problem by categorizing them into different factors.

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