{"id":230912,"date":"2025-10-17T11:44:28","date_gmt":"2025-10-17T06:14:28","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=230912"},"modified":"2025-10-21T18:24:58","modified_gmt":"2025-10-21T12:54:58","slug":"measures-of-dispersion-for-ssc-cgl","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/","title":{"rendered":"Measures of Dispersion for SSC CGL Tier 2 (JSO Post)"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of content<\/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: #999;color:#999\" 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: #999;color:#999\" 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 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/#What_is_Dispersion\" >What is Dispersion?<\/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.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/#Types_of_Measures_of_Dispersion\" >Types of Measures of Dispersion<\/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.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/#1_Range\" >1. Range<\/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.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/#2_Quartile_Deviation_QD\" >2. Quartile Deviation (QD)<\/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.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/#3_Mean_Deviation_MD\" >3. Mean Deviation (MD)<\/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.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/#4_Standard_Deviation_SD\" >4. Standard Deviation (SD)<\/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.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/#5_Relative_Measures_of_Dispersion\" >5. Relative Measures of Dispersion<\/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.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/#Comparison_of_Different_Measures_of_Dispersion\" >Comparison of Different Measures of Dispersion<\/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.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/#Key_Takeaways\" >Key Takeaways<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>In SSC CGL Tier 2, especially for the Junior Statistical Officer (JSO) post, understanding Measures of Dispersion is very important. Dispersion shows how spread out the data is around the central value. While measures like Mean, Median, and Mode give a single representative value, dispersion helps us understand how consistent or varied the data is.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-dispersion\"><span class=\"ez-toc-section\" id=\"What_is_Dispersion\"><\/span><strong>What is Dispersion?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Dispersion tells us how much the data values differ from each other or from the average.<br>In simple words, it measures the spread or variability in a data set. If all values are close to each other, dispersion is small. If values are far apart, dispersion is large.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/ssc-cgl-mock-test\/?ref=Contms&amp;utm_medium=Organic&amp;utm_source=Blog&amp;utm_campaign=Contms\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Free New Interface SSC CGL Tier 2 Mock test<\/a><\/div>\n<\/div>\n\n\n\n<p>Also check out <a href=\"https:\/\/www.oliveboard.in\/blog\/most-repeated-quantitative-aptitude-questions-for-ssc-cgl-tier-2\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Most Repeated Quantitative Aptitude Questions for SSC CGL Tier 2<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-types-of-measures-of-dispersion\"><span class=\"ez-toc-section\" id=\"Types_of_Measures_of_Dispersion\"><\/span><strong>Types of Measures of Dispersion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The main types of measures of dispersion are:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><strong>Type of Measure<\/strong><\/strong><\/td><td><strong><strong>Definition<\/strong><\/strong><\/td><td><strong><strong>Formula \/ Method<\/strong><\/strong><\/td><\/tr><tr><td><strong>Range<\/strong><\/td><td>Difference between the largest and smallest value in a dataset.<\/td><td>Range = Largest Value \u2212 Smallest Value<\/td><\/tr><tr><td><strong>Quartile Deviation (Q.D.)<\/strong><\/td><td>Measures the spread of the middle 50% of data between Q\u2081 and Q\u2083.<\/td><td>Q.D. = (Q\u2083 \u2212 Q\u2081) \/ 2<\/td><\/tr><tr><td><strong>Mean Deviation (M.D.)<\/strong><\/td><td>Average of absolute deviations from the mean, median, or mode.<\/td><td>M.D. = (\u03a3<\/td><\/tr><tr><td><strong>Standard Deviation (S.D.)<\/strong><\/td><td>Square root of average of squared deviations from the mean.<\/td><td>S.D. = \u221a(\u03a3(x \u2212 \ud835\udc65\u0304)\u00b2 \/ N)<\/td><\/tr><tr><td><strong>Relative Measures of Dispersion<\/strong><\/td><td>Expresses dispersion as a percentage or ratio for comparison.<\/td><td>&#8211; Coefficient of Range = (L \u2212 S)\/(L + S) &#8211; Coefficient of Q.D. = (Q\u2083 \u2212 Q\u2081)\/(Q\u2083 + Q\u2081) &#8211; Coefficient of M.D. = M.D.\/Mean &#8211; Coefficient of Variation (C.V.) = (S.D.\/Mean) \u00d7 100<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-text-align-center wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-tier-2-weightage-of-english-and-quant\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Check SSC CGL Tier 2 Weightage of English and Quant<\/a><\/div>\n<\/div>\n\n\n\n<p>Also check out <a href=\"https:\/\/www.oliveboard.in\/blog\/most-repeated-english-questions-for-ssc-cgl-tier-2\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Most Repeated Quantitative Aptitude Questions for SSC CGL Tier 2<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-range\"><span class=\"ez-toc-section\" id=\"1_Range\"><\/span><strong>1. Range<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Definition:<\/strong><br>Range is the <strong>simplest measure of dispersion<\/strong>. It is the difference between the highest and lowest values in a data set.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"263\" src=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.31.10-PM-1024x263.webp\" alt=\"\" class=\"wp-image-231154\" srcset=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.31.10-PM-1024x263.webp 1024w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.31.10-PM-768x198.webp 768w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.31.10-PM-150x39.webp 150w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.31.10-PM.webp 1446w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Use:<\/strong><br>Range gives a quick idea about the spread of data but is <strong>affected by extreme values<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-quartile-deviation-qd\"><span class=\"ez-toc-section\" id=\"2_Quartile_Deviation_QD\"><\/span><strong>2. Quartile Deviation (QD)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Definition:<\/strong><br>Quartile Deviation, also called <strong>Semi-Interquartile Range<\/strong>, measures the spread of the middle 50% of data.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"483\" src=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.31.42-PM-1024x483.webp\" alt=\"\" class=\"wp-image-231155\" srcset=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.31.42-PM-1024x483.webp 1024w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.31.42-PM-768x362.webp 768w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.31.42-PM-150x71.webp 150w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.31.42-PM.webp 1446w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Use:<\/strong><br>Quartile Deviation is less affected by extreme value<strong>s<\/strong> and is useful when data has outliers.<\/p>\n\n\n\n<p>Check out <a href=\"https:\/\/www.oliveboard.in\/blog\/most-repeated-reasoning-and-general-intelligence-questions-for-ssc-cgl-tier-2\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Most Repeated Reasoning Questions for SSC CGL Tier 2<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3-mean-deviation-md\"><span class=\"ez-toc-section\" id=\"3_Mean_Deviation_MD\"><\/span><strong>3. Mean Deviation (MD)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Definition:<\/strong><br>Mean Deviation shows the average of absolute deviations of values from a central point (mean, median, or mode).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"483\" src=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.33.12-PM-1024x483.webp\" alt=\"\" class=\"wp-image-231156\" srcset=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.33.12-PM-1024x483.webp 1024w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.33.12-PM-768x362.webp 768w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.33.12-PM-150x71.webp 150w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.33.12-PM.webp 1446w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Use:<\/strong><br>It shows <strong>average variation<\/strong> in the data and is better than range as it considers all observations.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/ssc-cgl-score-calculator\/?ref-contmk-scsc\" target=\"_blank\" rel=\"noreferrer noopener\">Calculate your Score using sSC CGL Tier 1 Score Calculator<\/a><\/div>\n<\/div>\n\n\n\n<p>Check out <a href=\"https:\/\/www.oliveboard.in\/blog\/most-repeated-computer-awareness-questions-for-ssc-cgl-tier-2\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Most Repeated Computer Awareness Questions for SSC CGL Tier 2<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-4-standard-deviation-sd\"><span class=\"ez-toc-section\" id=\"4_Standard_Deviation_SD\"><\/span><strong>4. Standard Deviation (SD)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Definition:<\/strong><br>Standard Deviation is the most commonly used and accurate measure of dispersion. It measures how much each value deviates from the mean.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"375\" src=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.34.19-PM-1024x375.webp\" alt=\"\" class=\"wp-image-231158\" srcset=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.34.19-PM-1024x375.webp 1024w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.34.19-PM-768x281.webp 768w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.34.19-PM-150x55.webp 150w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-3.34.19-PM.webp 1446w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Use:<\/strong><br>It is widely used in statistics as it considers all values and shows how data varies around the mean.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-tier-2-books\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Check SSC CGL Tier 2 Books<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-5-relative-measures-of-dispersion\"><span class=\"ez-toc-section\" id=\"5_Relative_Measures_of_Dispersion\"><\/span><strong>5. Relative Measures of Dispersion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Definition:<\/strong><br>Relative dispersion compares the spread of two or more data sets, making it dimensionless.<\/p>\n\n\n\n<p>Common relative measures include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Coefficient of Range<\/li>\n\n\n\n<li>Coefficient of Quartile Deviation<\/li>\n\n\n\n<li>Coefficient of Mean Deviation<\/li>\n\n\n\n<li>Coefficient of Standard Deviation (also called Coefficient of Variation)<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><strong>Measure<\/strong><\/strong><\/td><td><strong><strong>Formula<\/strong><\/strong><\/td><\/tr><tr><td>Coefficient of Range<\/td><td>(Max &#8211; Min) \/ (Max + Min)<\/td><\/tr><tr><td>Coefficient of Quartile Deviation<\/td><td>(Q3 &#8211; Q1) \/ (Q3 + Q1)<\/td><\/tr><tr><td>Coefficient of Mean Deviation<\/td><td>Mean Deviation \/ Mean<\/td><\/tr><tr><td>Coefficient of Variation (CV)<\/td><td>(Standard Deviation \/ Mean) \u00d7 100<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Use:<\/strong><br>It helps compare the stability or consistency between different data sets. A lower CV means more consistency.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-tier-2-previous-year-paper\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC CGL Tier 2 Previous Year Paper, Download Free PDF<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-comparison-of-different-measures-of-dispersion\"><span class=\"ez-toc-section\" id=\"Comparison_of_Different_Measures_of_Dispersion\"><\/span><strong>Comparison of Different Measures of Dispersion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><strong>Measure<\/strong><\/strong><\/td><td><strong><strong>Formula<\/strong><\/strong><\/td><td><strong><strong>Key Feature<\/strong><\/strong><\/td><\/tr><tr><td>Range<\/td><td>Max &#8211; Min<\/td><td>Simplest, affected by extremes<\/td><\/tr><tr><td>Quartile Deviation<\/td><td>(Q3 &#8211; Q1)\/2<\/td><td>Based on middle 50% data<\/td><\/tr><tr><td>Mean Deviation<\/td><td>\u2211<\/td><td>x &#8211; mean<\/td><\/tr><tr><td>Standard Deviation<\/td><td>\u221a(\u2211(x &#8211; mean)\u00b2 \/ N)<\/td><td>Most accurate and reliable<\/td><\/tr><tr><td>Coefficient of Variation<\/td><td>(SD\/Mean) \u00d7 100<\/td><td>Used for comparing data sets<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Check other SSC JSO related blogs:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><strong>Blogs<\/strong><\/strong><\/td><td><strong>Blogs<\/strong><\/td><\/tr><tr><td><a href=\"https:\/\/www.oliveboard.in\/ssc-jso-mock-test\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Mock Test<\/a><\/td><td><a href=\"https:\/\/www.oliveboard.in\/blog\/ssc-jso-books\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Books<\/a><\/td><\/tr><tr><td><a href=\"https:\/\/www.oliveboard.in\/blog\/ssc-jso-cutoff\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Cut Off<\/a><\/td><td><a href=\"https:\/\/www.oliveboard.in\/blog\/ssc-jso-promotion\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Promotion<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways\"><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span><strong>Key Takeaways<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Below are the key takeaways:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dispersion shows how data values vary around a central point.<\/li>\n\n\n\n<li>Standard Deviation is the most reliable measure used in SSC CGL Tier 2.<\/li>\n\n\n\n<li>Range is simple but less accurate due to outliers.<\/li>\n\n\n\n<li>Relative dispersion helps compare the variability between data sets.<\/li>\n\n\n\n<li>Practice numerical problems from each topic for JSO Paper 2 to build accuracy and speed.<\/li>\n<\/ul>\n\n\n\n<p>Check out<a href=\"https:\/\/www.oliveboard.in\/ssc-cgl-books\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"> <strong><\/strong><\/a><strong><a href=\"https:\/\/www.oliveboard.in\/ssc-cgl-exam-pattern\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC CGL Exam Pattern<\/a><\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/ssc-cgl-live-test\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt SSC CGL Tier 2 Live Test Here<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><strong>FAQs <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1760678196665\"><strong class=\"schema-faq-question\"><strong>Q1. What is the easiest measure of dispersion?<\/strong><\/strong> <p class=\"schema-faq-answer\">Range is the simplest and quickest measure of dispersion.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760678201449\"><strong class=\"schema-faq-question\"><strong>Q2. Which measure of dispersion is used most in SSC CGL Tier 2 JSO Paper?<\/strong><\/strong> <p class=\"schema-faq-answer\">Standard Deviation is most used because of its accuracy and importance in data analysis.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760678205781\"><strong class=\"schema-faq-question\"><strong>Q3. What is the difference between Absolute and Relative Dispersion?<\/strong><\/strong> <p class=\"schema-faq-answer\">Absolute measures (like SD, MD) use actual units, while Relative measures (like CV) use ratios or percentages.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760678209847\"><strong class=\"schema-faq-question\"><strong>Q4. What does a low Coefficient of Variation mean?<\/strong><\/strong> <p class=\"schema-faq-answer\">It means data is more consistent or stable.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760678213767\"><strong class=\"schema-faq-question\"><strong>Q5. Why are dispersion measures important in SSC CGL JSO Paper 2?<\/strong><\/strong> <p class=\"schema-faq-answer\">They help in understanding variability, data interpretation, and solving statistical problems quickly and accurately.<\/p> <\/div> <\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<ul class=\"wp-block-latest-posts__list is-grid columns-3 wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/active-passive-voice-for-ssc-exams\/\">Active and Passive Voice Questions for SSC Exams 2026, Attempt Now<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/history-notes\/\">Free History Notes PDF for SSC, Civil Services, UPSSSC &#038; Railways | Download Now<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/profit-and-loss-concept\/\">Profit and Loss for SSC, Concepts, Formulas &amp; Practice Questions<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-important-questions\/\">SSC CGL Important Questions, Solve Here<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-ancient-history\/\">SSC Ancient history, Stone Age &amp; Indus Valley Civilization, Free PDF<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/geometry-triangles\/\">Geometry Triangles Notes Free Ebook for SSC Exams, Download Now<\/a><\/li>\n<\/ul>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>In SSC CGL Tier 2, especially for the Junior Statistical Officer (JSO) post, understanding Measures of Dispersion is very important.<\/p>\n","protected":false},"author":65,"featured_media":230953,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,5217,63],"tags":[],"class_list":["post-230912","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-ssc-prep","category-ssc-exams","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Measures of Dispersion for SSC CGL Tier 2 (JSO Post)<\/title>\n<meta name=\"description\" content=\"Learn all about Measures of Dispersion for SSC CGL Tier 2 (JSO) Range, Quartile Deviation, Mean Deviation, Standard Deviation, and Coefficient of Variation.\" \/>\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.oliveboard.in\/blog\/measures-of-dispersion-for-ssc-cgl\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Measures of Dispersion for SSC CGL Tier 2 (JSO Post)\" \/>\n<meta property=\"og:description\" content=\"In SSC CGL Tier 2, especially for the Junior Statistical Officer (JSO) post, understanding Measures of Dispersion is very important. 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