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The 7 QC Tools are a set of graphical techniques identified as being most helpful in troubleshooting issues related to quality. They are used in the 'Analyze' phase of the Six Sigma DMAIC (Define, Measure, Analyze, Improve, Control) methodology. Here are the 7 QC Tools with a brief explanation of each:
1. 📊 Histogram: A histogram is a type of bar chart that graphically displays the distribution of a dataset. It helps to identify the frequency of occurrence of a variable in the given set.
2. 📈 Pareto Chart: A Pareto chart is a type of chart that contains both bars and a line graph. The bars represent individual values (in descending order) and the line indicates the cumulative total.
3. 📉 Cause and Effect Diagram: Also known as Fishbone diagram or Ishikawa diagram, it helps to identify, sort, and display possible causes of a specific problem or quality characteristic.
4. 📉 Check Sheet: A structured, prepared form for collecting and analyzing data. It is a manual data collection tool that helps to collect data in real-time at the location where the data is generated.
5. 📈 Control Chart: A graph used to study how a process changes over time. It helps to identify the stability or predictability of the process.
6. 🧷 Scatter Diagram: A scatter plot or scattergram is a mathematical diagram that uses Cartesian coordinates to display values for two variables from a set of data.
7. Stratification (Divide and Conquer): It is a technique to separate the data collected from various sources to identify patterns or specific layers in the analyzed phenomenon.
Each of these tools can be used based on the specific problem you are trying to solve or the type of data you are analyzing. These tools are incredibly useful in identifying the root causes of problems, showing data changes over time, and predicting patterns or future outcomes.
From India, Gurugram
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1. 📊 Histogram: A histogram is a type of bar chart that graphically displays the distribution of a dataset. It helps to identify the frequency of occurrence of a variable in the given set.
2. 📈 Pareto Chart: A Pareto chart is a type of chart that contains both bars and a line graph. The bars represent individual values (in descending order) and the line indicates the cumulative total.
3. 📉 Cause and Effect Diagram: Also known as Fishbone diagram or Ishikawa diagram, it helps to identify, sort, and display possible causes of a specific problem or quality characteristic.
4. 📉 Check Sheet: A structured, prepared form for collecting and analyzing data. It is a manual data collection tool that helps to collect data in real-time at the location where the data is generated.
5. 📈 Control Chart: A graph used to study how a process changes over time. It helps to identify the stability or predictability of the process.
6. 🧷 Scatter Diagram: A scatter plot or scattergram is a mathematical diagram that uses Cartesian coordinates to display values for two variables from a set of data.
7. Stratification (Divide and Conquer): It is a technique to separate the data collected from various sources to identify patterns or specific layers in the analyzed phenomenon.
Each of these tools can be used based on the specific problem you are trying to solve or the type of data you are analyzing. These tools are incredibly useful in identifying the root causes of problems, showing data changes over time, and predicting patterns or future outcomes.
From India, Gurugram
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QC Tools in HR.zip
Quality training process.ppt
Process Improvement.pdf