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# 7 QC Tools

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### 7 QC Tools

1. 1. What is 7 QC Tools The Seven Basic Tools of Quality is a designation given to a fixed set of graphical techniques identified as being most helpful in troubleshooting issues related to quality. They are called basic because they are suitable for people with little formal training in statistics and because they can be used to solve the vast majority of quality-related issues For Internal Use Only
2. 2. 7 Basic Tools • Check sheet • Pareto Chart • Cause & Effect Diagram • Control Chart • Histogram • Scatter Diagram • Stratification or Flow chart For Internal Use Only
3. 3. Check sheet •The check sheet is a simple document that is used for collecting data in real-time and at the location where the data is generated. For Internal Use Only
4. 4. Pareto Chart •Pareto chart, named after Vilfredo Pareto, is a type of chart that contains both bars and a line graph, where individual values are represented in descending order by bars, and the cumulative total is represented by the line. For Internal Use Only
5. 5. Cause & Effect Diagram – Fishbone Common uses of the Ishikawa diagram are product design and quality defect prevention, to identify potential factors causing an overall effect. For Internal Use Only
6. 6. Control Charts Control charts, also known as process-behavior charts, in SPC are tools used to determine whether a manufacturing For Internal Use Only
7. 7. Histogram In Statistics, a histogram is a graphical representation showing a visual impression of the distribution of data For Internal Use Only
8. 8. Scatter Diagram scatter plot or scatter graph is a type of Mathematical diagram using Cartesian coordinates to display values for two variable for a set of data. For Internal Use Only
9. 9. Stratification or Flow chart A flowchart is a type of diagram that represents an algorithm or process, showing the steps as boxes of various kinds, and their order by connecting these with arrows. . For Internal Use Only
10. 10. Quick Ponder !! • What are 7 QC tools • Who invented Pareto chart? • Otherwise called as • Cause & Effect • Stratification • Scatter diagram Thank you all !! For Internal Use Only