{"id":43566,"date":"2014-07-14T16:03:09","date_gmt":"2014-07-14T10:33:09","guid":{"rendered":"http:\/\/www.vskills.in\/certification\/tutorial\/?p=43566"},"modified":"2024-04-12T14:19:51","modified_gmt":"2024-04-12T08:49:51","slug":"control-chart","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/control-chart\/","title":{"rendered":"Control Chart"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a ref=\"magnificPopup\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2020\/12\/Certified-Campaign-Manager-13-1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"400\" src=\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2020\/12\/Certified-Campaign-Manager-13-1.png\" alt=\"Control Chart\" class=\"wp-image-96804\" srcset=\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2020\/12\/Certified-Campaign-Manager-13-1.png 750w, https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2020\/12\/Certified-Campaign-Manager-13-1-300x160.png 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/figure><\/div>\n\n\n<p>Control Chart- <strong>Control charts<\/strong> can either be univariate when they monitor a single <strong>CTQ<\/strong> characteristic of a product or service or be multivariate when they monitor more than one <strong>CTQ.<\/strong><\/p>\n<p>A typical control chart plots sample statistics and is made up of a minimum of four lines of, a vertical line to measure the levels of the sample&#8217;s means, the two out-most horizontal lines for the <strong>UCL<\/strong> and the <strong>LCL;<\/strong> and the centerline, which represents the mean of the process.<\/p>\n<p><strong>Attribute Data univariate chart<\/strong> &#8211; It&#8217;s characteristics resemble binary data \u2014 they can only take one of two given forms like conforming or not conforming, good or bad, etc<\/p>\n<ul>\n<li><strong>p\u2013chart<\/strong> &#8211; The p-chart is used when dealing with ratios, proportions, or percentages of conforming or nonconforming parts in a given sample.<\/li>\n<li><strong>np-chart<\/strong> &#8211; The np-chart is one of the easiest to build. While the p-chart tracks the proportion of nonconformities per sample, the np-chart plots the number of nonconforming items per sample.<\/li>\n<li><strong>c-chart<\/strong> &#8211; The c-chart monitors the process variations due to the fluctuations of defects per item or group of items.<\/li>\n<li><strong>u-chart<\/strong> &#8211; One of the premises for a c-chart is that the sample sizes had to be the same.<\/li>\n<\/ul>\n<p><strong>Variable control charts<\/strong> &#8211; Control charts monitor not only the means of the samples for <strong>CTQ<\/strong> characteristics but also the variability of those characteristics.<\/p>\n<ul>\n<li>\u00a0<strong>X charts and R-charts<\/strong> \u2013 It is similar to attribute control charts but, quantitative measurements are considered for the <strong>CTQ<\/strong> characteristics instead of qualitative attributes.<\/li>\n<li><strong>Standard error-based X-chart<\/strong> &#8211; It is based on the Central Limit Theorem, the standard deviation used for the control limits is nothing but the standard deviation of the process divided by the square root of the sample\u2019s size<\/li>\n<li><strong>Mean range- based X-chart<\/strong> &#8211; With sample sizes n \u2264 10, the variations are also small, so the range can be used against the standard deviation when constructing a control chart.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.vskills.in\/practice\/startPracticeTest\/Six-Sigma-Green-Belt-Mock-Test\"><strong>Take Free Mock Test on Six Sigma Green Belt<\/strong> <\/a><\/p>\n<p><strong>Apply for Certification Exam !!<\/strong><\/p>\n<p><a href=\"https:\/\/www.vskills.in\/certification\/quality\/certified-six-sigma-green-belt-professional\"><strong>Certified Six Sigma Green Belt Professional<\/strong><\/a><\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.vskills.in\/practice\/six-sigma-green-belt\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"961\" height=\"150\" src=\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2020\/12\/TRY-FREE-PRACTICE-TEST-NOW-2-1.png\" alt=\"\" class=\"wp-image-96404\" srcset=\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2020\/12\/TRY-FREE-PRACTICE-TEST-NOW-2-1.png 961w, https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2020\/12\/TRY-FREE-PRACTICE-TEST-NOW-2-1-300x47.png 300w\" sizes=\"auto, (max-width: 961px) 100vw, 961px\" \/><\/a><\/figure><\/div>\n\n\n\n<p><a href=\"https:\/\/www.vskills.in\/certification\/tutorial\/six-sigma-green-belt-tutorial-six-sigma-quality\/\" target=\"_blank\" rel=\"noreferrer noopener\">Go back to Tutorial<\/a>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href=\"https:\/\/www.vskills.in\/certification\/certified-six-sigma-green-belt-professional\" target=\"_blank\" rel=\"noreferrer noopener\">Go to Home Page<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Control Chart- Control charts can either be univariate when they monitor a single CTQ characteristic of a product or service or be multivariate when they monitor more than one CTQ. A typical control chart plots sample statistics and is made up of a minimum of four lines of, a vertical line to measure the levels&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[3897,6304],"tags":[9760,9761,9762,6879],"class_list":["post-43566","page","type-page","status-publish","hentry","category-quality","category-six-sigma-green-belt","tag-certified-six-green-belts-professional","tag-certified-six-green-belts-professional-exam-details","tag-certified-six-green-belts-professional-online-tutorial","tag-control-chart"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Control Chart Tutorials<\/title>\n<meta name=\"description\" content=\"Control charts can either be univariate when they monitor a single CTQ characteristic of a product or service or be multivariate when...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/control-chart\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Control Chart Tutorials\" \/>\n<meta property=\"og:description\" content=\"Control charts can either be univariate when they monitor a single CTQ characteristic of a product or service or be multivariate when...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vskills.in\/certification\/tutorial\/control-chart\/\" \/>\n<meta property=\"og:site_name\" content=\"Tutorial\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/vskills.in\/\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-12T08:49:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2020\/12\/Certified-Campaign-Manager-13-1.png\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/control-chart\/\",\"url\":\"https:\/\/www.vskills.in\/certification\/tutorial\/control-chart\/\",\"name\":\"Control Chart Tutorials\",\"isPartOf\":{\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/control-chart\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/control-chart\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2020\/12\/Certified-Campaign-Manager-13-1.png\",\"datePublished\":\"2014-07-14T10:33:09+00:00\",\"dateModified\":\"2024-04-12T08:49:51+00:00\",\"description\":\"Control charts can either be univariate when they monitor a single CTQ characteristic of a product or service or be multivariate when...\",\"breadcrumb\":{\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/control-chart\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.vskills.in\/certification\/tutorial\/control-chart\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/control-chart\/#primaryimage\",\"url\":\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2020\/12\/Certified-Campaign-Manager-13-1.png\",\"contentUrl\":\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2020\/12\/Certified-Campaign-Manager-13-1.png\",\"width\":750,\"height\":400},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/control-chart\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.vskills.in\/certification\/tutorial\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Control Chart\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/#website\",\"url\":\"https:\/\/www.vskills.in\/certification\/tutorial\/\",\"name\":\"Tutorial\",\"description\":\"Vskills - 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