{"id":6513,"date":"2024-05-09T05:53:04","date_gmt":"2024-05-09T05:53:04","guid":{"rendered":"https:\/\/www.spoclearn.com\/blog\/?p=6513"},"modified":"2024-07-04T04:59:48","modified_gmt":"2024-07-04T04:59:48","slug":"seven-qc-tools","status":"publish","type":"post","link":"https:\/\/www.spoclearn.com\/blog\/seven-qc-tools\/","title":{"rendered":"What are the 7 QC tools used in quality management?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-left ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.spoclearn.com\/blog\/seven-qc-tools\/#Overview_of_the_7QC_Tools\" >Overview of the 7QC Tools&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.spoclearn.com\/blog\/seven-qc-tools\/#Tool_1_Pareto_Chart_Definition_and_Purpose\" >Tool 1: Pareto Chart&nbsp;Definition and Purpose<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.spoclearn.com\/blog\/seven-qc-tools\/#Tool_2_Cause-and-Effect_Diagram_IshikawaFishbone_Diagram\" >Tool 2: Cause-and-Effect Diagram (Ishikawa\/Fishbone Diagram)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.spoclearn.com\/blog\/seven-qc-tools\/#Tool_3_Check_Sheet\" >Tool 3: Check Sheet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.spoclearn.com\/blog\/seven-qc-tools\/#Tool_4_Histogram_Definition_and_Purpose\" >Tool 4: Histogram Definition and Purpose<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.spoclearn.com\/blog\/seven-qc-tools\/#Tool_5_Control_ChartDefinition_and_Purpose\" >Tool 5: Control ChartDefinition and Purpose<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.spoclearn.com\/blog\/seven-qc-tools\/#Tool_6_Scatter_Diagram\" >Tool 6: Scatter Diagram<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.spoclearn.com\/blog\/seven-qc-tools\/#Tool_7_FlowchartDefinition_and_Purpose\" >Tool 7: FlowchartDefinition and Purpose<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.spoclearn.com\/blog\/seven-qc-tools\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Quality management has become essential for businesses globally, with a significant focus on customer satisfaction, process improvement, and reducing defects. According to a <a href=\"https:\/\/www.qualitydigest.com\/inside\/quality-insider-article\/what-your-company-s-cost-poor-quality-082304.html\" rel=\"noindex, nofollow\">report<\/a>, 5%-30% of revenue is lost due to poor quality in manufacturing. But there is hope, and it lies in effective quality management tools. The &#8220;7QC Tools,&#8221; originating from Japan, have stood the test of time as fundamental instruments in Total Quality Management (TQM). In this article, we will break down these seven tools, showing you their purpose and how to use them for quality improvement.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.spoclearn.com\/courses\/quality-management\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"161\" src=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Quality-Management-Courses-Certifications-1024x161.jpg\" alt=\"Quality Management Courses Certifications\" class=\"wp-image-6532\" srcset=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Quality-Management-Courses-Certifications-1024x161.jpg 1024w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Quality-Management-Courses-Certifications-300x47.jpg 300w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Quality-Management-Courses-Certifications-768x121.jpg 768w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Quality-Management-Courses-Certifications.jpg 1050w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-style:normal;font-weight:700\"><span class=\"ez-toc-section\" id=\"Overview_of_the_7QC_Tools\"><\/span>Overview of the 7QC Tools&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The 7QC tools are practical instruments designed for efficient problem-solving. They are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pareto Chart<\/li>\n\n\n\n<li>Cause-and-Effect Diagram (Fishbone\/Ishikawa)<\/li>\n\n\n\n<li>Check Sheet<\/li>\n\n\n\n<li>Histogram<\/li>\n\n\n\n<li>Control Chart<\/li>\n\n\n\n<li>Scatter Diagram<\/li>\n\n\n\n<li>Flowchart<\/li><br>\n<\/ul>\n\n\n\n<p>These tools are often used together to identify, analyze, and solve quality-related issues within an organization.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-style:normal;font-weight:700\"><span class=\"ez-toc-section\" id=\"Tool_1_Pareto_Chart_Definition_and_Purpose\"><\/span>Tool 1: Pareto Chart&nbsp;Definition and Purpose<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Named after the economist Vilfredo Pareto, the Pareto Chart is based on the 80\/20 rule, which suggests that 80% of problems stem from 20% of causes. It\u2019s used to prioritize problems based on their frequency or impact.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"479\" height=\"286\" src=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Pareto-Chart.jpg\" alt=\"\" class=\"wp-image-6522\" srcset=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Pareto-Chart.jpg 479w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Pareto-Chart-300x179.jpg 300w\" sizes=\"(max-width: 479px) 100vw, 479px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>How It Works:<\/strong> Follow the below steps to create a Pareto Chart:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Step<\/strong><\/th><th><strong>Action<\/strong><\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Identify the problems to analyze (e.g., defects, delays).<\/td><\/tr><tr><td>2<\/td><td>Collect data on each problem&#8217;s frequency or cost.<\/td><\/tr><tr><td>3<\/td><td>Sort the problems in descending order of impact.<\/td><\/tr><tr><td>4<\/td><td>Calculate cumulative percentages.<\/td><\/tr><tr><td>5<\/td><td>Create a bar chart, adding a cumulative line graph to indicate the cumulative percentage of problems addressed.<\/td><\/tr><tr><td>6<\/td><td>Analyze the chart to identify the problems causing the majority of issues.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Application:<\/strong> By prioritizing major issues, businesses can focus resources on addressing root causes effectively.<\/p>\n\n\n\n<p><em>Quote: \u201cProblems are nothing but wake-up calls for creativity.\u201d &#8211; Gerhard Gschwandtner, founder of Selling Power.<\/em><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-style:normal;font-weight:700\"><span class=\"ez-toc-section\" id=\"Tool_2_Cause-and-Effect_Diagram_IshikawaFishbone_Diagram\"><\/span>Tool 2: Cause-and-Effect Diagram (Ishikawa\/Fishbone Diagram)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Definition and Purpose:<\/strong> Developed by Dr. Kaoru Ishikawa, this diagram visualizes the potential causes of a problem to identify its root cause.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"559\" height=\"373\" src=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Fishbone-Diagram.jpg\" alt=\"Fishbone Diagram\" class=\"wp-image-6521\" srcset=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Fishbone-Diagram.jpg 559w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Fishbone-Diagram-300x200.jpg 300w\" sizes=\"(max-width: 559px) 100vw, 559px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>How It Works:<\/strong> Here\u2019s how to create a Fishbone Diagram:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Step<\/strong><\/th><th><strong>Action<\/strong><\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Define the problem clearly.<\/td><\/tr><tr><td>2<\/td><td>Draw the &#8220;spine&#8221; of the diagram and add the &#8220;effect&#8221; (problem) at the end of the spine.<\/td><\/tr><tr><td>3<\/td><td>Add &#8220;bones&#8221; representing major categories of potential causes, like Methods, Manpower, Materials, and Machines.<\/td><\/tr><tr><td>4<\/td><td>Identify specific causes within each category by brainstorming with a team.<\/td><\/tr><tr><td>5<\/td><td>Draw branches from each category to represent these causes.<\/td><\/tr><tr><td>6<\/td><td>Analyze the diagram to identify the primary root cause(s) contributing to the problem.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Application:<\/strong> Useful in uncovering hidden relationships between potential causes and their effects on business problems.<\/p>\n\n\n\n<p><em>Quote: \u201cQuality means doing it right when no one is looking.\u201d &#8211; Henry Ford, founder of Ford Motor Company.<\/em><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-style:normal;font-weight:700\"><span class=\"ez-toc-section\" id=\"Tool_3_Check_Sheet\"><\/span>Tool 3: Check Sheet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Definition and Purpose: Check sheets simplify data collection, enabling organizations to capture information consistently.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"578\" src=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Check-Sheet.jpg\" alt=\"Check Sheet\" class=\"wp-image-6520\" style=\"aspect-ratio:1.7716262975778547;width:652px;height:auto\" srcset=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Check-Sheet.jpg 1024w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Check-Sheet-300x169.jpg 300w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Check-Sheet-768x434.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>How It Works:<\/strong> Create an effective Check Sheet with these steps:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Step<\/strong><\/th><th><strong>Action<\/strong><\/th><\/tr><tr><th>1<\/th><th>Clearly define what data to collect (e.g., defects, machine downtime).<\/th><\/tr><\/thead><tbody><tr><td>2<\/td><td>Design the check sheet to include categories or criteria that need to be measured.<\/td><\/tr><tr><td>3<\/td><td>Train personnel on how to use the check sheet properly.<\/td><\/tr><tr><td>4<\/td><td>Collect data over a specified period.<\/td><\/tr><tr><td>5<\/td><td>Review the completed sheets to find patterns or trends.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Application:<\/strong> They are particularly useful in tracking repetitive defects, survey responses, and quality audits.<\/p>\n\n\n\n<p><em>Quote: \u201cA good system shortens the road to the goal.\u201d &#8211; Orison Swett Marden, founder of Success magazine.<\/em><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-style:normal;font-weight:700\"><span class=\"ez-toc-section\" id=\"Tool_4_Histogram_Definition_and_Purpose\"><\/span>Tool 4: Histogram Definition and Purpose<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A histogram shows the distribution of data points, helping identify patterns or anomalies.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"685\" src=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/histogram-shows-the-distribution-of-data-points-1024x685.jpg\" alt=\"\" class=\"wp-image-6519\" style=\"aspect-ratio:1.494890510948905;width:543px;height:auto\" srcset=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/histogram-shows-the-distribution-of-data-points-1024x685.jpg 1024w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/histogram-shows-the-distribution-of-data-points-300x201.jpg 300w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/histogram-shows-the-distribution-of-data-points-768x514.jpg 768w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/histogram-shows-the-distribution-of-data-points.jpg 1145w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>How It Works:<\/strong> Construct an accurate histogram by following these steps:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Step<\/strong><\/th><th><strong>Action<\/strong><\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Collect and categorize data into ranges (bins).<\/td><\/tr><tr><td>2<\/td><td>Determine the range and number of bins required.<\/td><\/tr><tr><td>3<\/td><td>Plot the frequency of data points in each bin as bars on the graph.<\/td><\/tr><tr><td>4<\/td><td>Label the axes with appropriate scales.<\/td><\/tr><tr><td>5<\/td><td>Analyze the histogram for patterns, skewness, and outliers.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Application:<\/strong> Useful in determining process capability and distribution characteristics.<\/p>\n\n\n\n<p><em>Quote: \u201cStatistics are like a bikini. What they reveal is suggestive, but what they conceal is vital.\u201d &#8211; Aaron Levenstein, business professor.<\/em><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-style:normal;font-weight:700\"><span class=\"ez-toc-section\" id=\"Tool_5_Control_ChartDefinition_and_Purpose\"><\/span>Tool 5: Control ChartDefinition and Purpose<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Walter Shewhart developed control charts to distinguish between normal and abnormal process variation.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"400\" src=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Control-Chart.jpg\" alt=\"\" class=\"wp-image-6518\" style=\"aspect-ratio:2;width:716px;height:auto\" srcset=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Control-Chart.jpg 800w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Control-Chart-300x150.jpg 300w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Control-Chart-768x384.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>How It Works:<\/strong> Construct a Control Chart by following these steps:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Step<\/strong><\/th><th><strong>Action<\/strong><\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Select a measurable parameter to monitor.<\/td><\/tr><tr><td>2<\/td><td>Collect initial data to establish control limits.<\/td><\/tr><tr><td>3<\/td><td>Calculate the upper and lower control limits (typically \u00b13 standard deviations from the mean).<\/td><\/tr><tr><td>4<\/td><td>Plot data points over time to identify trends.<\/td><\/tr><tr><td>5<\/td><td>Add the control limits to the chart to see if any points fall outside these limits.<\/td><\/tr><tr><td>6<\/td><td>Investigate points that lie outside the control limits or show patterns of non-random variation.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Application<\/strong>: Helps in detecting and correcting process issues before they result in significant defects.<\/p>\n\n\n\n<p><em>Quote: \u201cIf you can&#8217;t measure it, you can&#8217;t improve it.\u201d &#8211; Peter Drucker, management consultant.<\/em><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-style:normal;font-weight:700\"><span class=\"ez-toc-section\" id=\"Tool_6_Scatter_Diagram\"><\/span>Tool 6: Scatter Diagram<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Definition and Purpose:<\/strong> Scatter diagrams depict relationships between two variables to identify correlations.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"494\" src=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Scatter-Diagram.png\" alt=\"\" class=\"wp-image-6517\" style=\"aspect-ratio:0.97165991902834;width:452px;height:auto\" srcset=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Scatter-Diagram.png 480w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Scatter-Diagram-291x300.png 291w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>How It Works<\/strong>: To create a Scatter Diagram, follow these steps:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Step<\/strong><\/th><th><strong>Action<\/strong><\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Choose two variables to study.<\/td><\/tr><tr><td>2<\/td><td>Collect paired data points for the variables.<\/td><\/tr><tr><td>3<\/td><td>Plot data points on a graph with one variable on each axis.<\/td><\/tr><tr><td>4<\/td><td>Label the axes with appropriate units and ranges.<\/td><\/tr><tr><td>5<\/td><td>Analyze the plotted points to see if a trend or pattern emerges.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Application<\/strong>: Helps visualize correlations between inputs and outputs in process improvement efforts.<\/p>\n\n\n\n<p><em>Quote: \u201cIn God we trust. All others must bring data.\u201d &#8211; W. Edwards Deming, quality management expert.<\/em><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-style:normal;font-weight:700\"><span class=\"ez-toc-section\" id=\"Tool_7_FlowchartDefinition_and_Purpose\"><\/span>Tool 7: FlowchartDefinition and Purpose<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Flowcharts map out a process step by step to identify areas for improvement.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"597\" src=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Flowcharts-map-1024x597.jpg\" alt=\"\" class=\"wp-image-6514\" style=\"aspect-ratio:1.7152428810720268;width:700px;height:auto\" srcset=\"https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Flowcharts-map-1024x597.jpg 1024w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Flowcharts-map-300x175.jpg 300w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Flowcharts-map-768x447.jpg 768w, https:\/\/www.spoclearn.com\/blog\/wp-content\/uploads\/2024\/05\/Flowcharts-map.jpg 1380w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>How It Works:<\/strong> Create a Flowchart by following these steps:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Step<\/strong><\/th><th><strong>Action<\/strong><\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Define the starting point of the process.<\/td><\/tr><tr><td>2<\/td><td>List the key steps in the process in logical order.<\/td><\/tr><tr><td>3<\/td><td>Use standard symbols to represent each step, decision, or action.<\/td><\/tr><tr><td>4<\/td><td>Draw arrows to indicate the flow between steps.<\/td><\/tr><tr><td>5<\/td><td>Validate the flowchart with stakeholders to ensure accuracy.<\/td><\/tr><tr><td>6<\/td><td>Analyze the chart to find bottlenecks or areas of inefficiency.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Application<\/strong>: Helps streamline processes by revealing redundant or non-value-added steps.<\/p>\n\n\n\n<p><em>Quote: \u201cEfficiency is doing things right; effectiveness is doing the right things.\u201d &#8211; Peter Drucker, management consultant.<\/em><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-style:normal;font-weight:700\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In summary, the 7QC tools form the cornerstone of effective quality management. Individually, each tool provides valuable insights, but when used together, they create a comprehensive approach to problem-solving. As organizations strive to improve efficiency and minimize defects, the 7QC tools will remain indispensable. The next step is to integrate these tools into your quality initiatives and pair them with emerging trends like Lean and Six Sigma to stay ahead in the ever-evolving business landscape.<\/p>\n\n\n\n<p>To learn about these 7 QC tools, knowing the underlying principles of Lean and Six Sigma through various certification training programs for top governing bodies like ASQ, IASSC, EXIN, and more is critical. <a href=\"https:\/\/www.spoclearn.com\/courses\/quality-management\/lssyb-training\/\">Lean Six Sigma Yellow Belt Training<\/a>, <a href=\"https:\/\/www.spoclearn.com\/courses\/quality-management\/lssgb-certification\/\">Lean Six Sigma Green Belt training<\/a>, and <a href=\"https:\/\/www.spoclearn.com\/courses\/quality-management\/lssbb-certification\/\">Lean Six Sigma Black Belt training<\/a> provide comprehensive information on these quality control tools which help individuals and enterprise teams to provide products and services that are of exceptional quality for your customers worldwide.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Discover the best 7 QC tools for effective quality management, ensuring streamlined processes and improved product and service quality.<\/p>\n","protected":false},"author":2,"featured_media":6524,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-6513","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quality-management"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What are the 7 QC tools used in quality management?<\/title>\n<meta name=\"description\" content=\"Discover the best 7 QC tools for effective quality management, ensuring streamlined processes and improved product and service quality.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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