{"id":100678,"date":"2025-10-16T12:47:48","date_gmt":"2025-10-16T07:17:48","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=100678"},"modified":"2025-10-16T12:47:52","modified_gmt":"2025-10-16T07:17:52","slug":"important-statistics-topics-for-ssc-cgl-tier-2","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/important-statistics-topics-for-ssc-cgl-tier-2\/","title":{"rendered":"Important Statistics Topics for SSC CGL Tier 2,  Check Details Here"},"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\/important-statistics-topics-for-ssc-cgl-tier-2\/#Important_Statistics_topics_for_SSC_CGL_Tier_2_Exam\" >Important Statistics topics for SSC CGL Tier 2 Exam<\/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\/important-statistics-topics-for-ssc-cgl-tier-2\/#SSC_CGL_Exam_Overview\" >SSC CGL Exam Overview&nbsp;<\/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\/important-statistics-topics-for-ssc-cgl-tier-2\/#SSC_CGL_Tier_2_Exam_Pattern\" >SSC CGL Tier 2 Exam Pattern<\/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\/important-statistics-topics-for-ssc-cgl-tier-2\/#SSC_CGL_JSO_Statistics_Paper_Tier-2_-FAQs\" >SSC CGL JSO Statistics Paper (Tier-2)  -FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>The <strong>Statistics paper (Paper-III)<\/strong> of SSC CGL Tier-2 is conducted only for candidates applying for the post of Junior Statistical Officer (JSO). This paper is held in online mode, contains 100 questions for a total of 200 marks, and the duration is 2 hours. In this blog, you can check the important topics for the Statistics paper to help boost your preparation for SSC CGL Tier-2 2025.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-important-statistics-topics-for-ssc-cgl-tier-2-exam\"><span class=\"ez-toc-section\" id=\"Important_Statistics_topics_for_SSC_CGL_Tier_2_Exam\"><\/span>Important Statistics topics for SSC CGL Tier 2 Exam<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Candidates applying for the <a href=\"https:\/\/www.oliveboard.in\/ssc-jso\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Junior Statistical Officer (JSO)<\/a> post must prepare thoroughly for the Statistics paper in Tier-2. Below is a list of important topics covered in the syllabus, which are essential for scoring well.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>S. No.<\/strong><\/td><td><strong>Important Statistics Topics<\/strong><\/td><td><strong>Syllabus<\/strong><\/td><\/tr><tr><td>1<\/td><td>Collection Classification and Presentation of Statistical Data<\/td><td>A. Primary and Secondary data, Methods of data collection<br>B. Tabulation of data<br>C. Graphs and charts<br>D. Frequency distributions<br>E. Diagrammatic presentation of frequency distributions<\/td><\/tr><tr><td>2<\/td><td>Measures of Central Tendency<\/td><td>A. Common measures of central tendency \u2013 Mean, Mode and          Median<br>B. Partition values- quartiles, deciles, percentiles<\/td><\/tr><tr><td>3<\/td><td>Measures of Dispersion<\/td><td>A. Common measures of dispersion \u2013 range, quartile        deviations, mean deviation and standard deviation<br>B. Measures of relative dispersion<\/td><\/tr><tr><td>4<\/td><td>Moments, Skewness and Kurtosis<\/td><td>A. Different types of moments and their relationship<br>B. The meaning of skewness and kurtosis<br>C. Different measures of skewness and kurtosis<\/td><\/tr><tr><td>5<\/td><td>Correlation and Regression<\/td><td>A. Scatter diagram<br>B. Simple correlation coefficient<br>C. Simple regression lines<br>D. Spearman\u2018s rank correlation<br>E. Measures of association of attributes<br>F. Multiple regression<br>G. Multiple and partial correlations (For three variables only)<\/td><\/tr><tr><td>6<\/td><td>Probability Theory<\/td><td>A. Meaning of probability<br>B. Different definitions of probability<br>C. Conditional probability<br>D. Compound probability<br>E. Independent events<br>F. Bayes\u2018 theorem<\/td><\/tr><tr><td>7<\/td><td>Random Variable and Probability Distribution<strong>s<\/strong><\/td><td>A. Random variable<br>B. Probability functions<br>C. Expectation and Variance of a random variable<br>D. Higher moments of a random variable<br>E. Binomial, Poisson, Normal and Exponential distributions<br>     Joint distribution of two random variables (discrete)<\/td><\/tr><tr><td>8<\/td><td>Sampling Theory<\/td><td>A. Concept of population and sample<br>B. Parameter and statistic, Sampling and non-sampling errors<br>Probability and non-probability sampling techniques (simple random sampling, stratified sampling, multistage sampling, multiphase sampling, cluster sampling, systematic sampling, purposive sampling, convenience sampling and quota sampling)<br>C. Sampling distribution (statement only) <br>D. Sample size decisions<\/td><\/tr><tr><td>9<\/td><td>Statistical Inference<\/td><td>A. Point estimation and interval estimation, Properties of a good estimator<br>B. Methods of estimation (Moments method, Maximum likelihood method, Least squares method<br>C. Testing of hypothesis, Basic concept of testing, Small    sample and large sample tests, Tests based on Z, t, Chi-square and F statistic<br>D. Confidence intervals<\/td><\/tr><tr><td>10<\/td><td>Analysis of Variance<\/td><td>Analysis of one-way classified data and two-way classified data<\/td><\/tr><tr><td>11<\/td><td>Time Series Analysis<\/td><td>A. Components of time series<br>B. Determinations of trend component by different methods <br>C. Measurement of seasonal variation by different methods<\/td><\/tr><tr><td>12<\/td><td>Index Numbers<\/td><td>A. Meaning of Index Numbers,<br>B. Problems in the construction of index numbers, Types of index number<br>C. Different formulae, Base shifting and splicing of index numbers<br>D. Cost of living Index Numbers, Uses of Index Numbers<\/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\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-tier-2-paper-2-study-plan\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC CGL Tier 2 Paper 2 Study Plan<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ssc-cgl-exam-overview-nbsp\"><span class=\"ez-toc-section\" id=\"SSC_CGL_Exam_Overview\"><\/span>SSC CGL Exam Overview&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The <a href=\"https:\/\/www.oliveboard.in\/ssc-cgl-notification\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC CGL Exam<\/a> Combined Graduate Level (CGL) exam is one of the most popular government exams in India. It is conducted every year to recruit candidates for various Group B and C posts in different ministries and departments under the Government of India.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Particulars<\/strong><\/td><td><strong>Details<\/strong><\/td><\/tr><tr><td>Name<\/td><td>Staff Selection Commission Combined Graduate Level (SSC CGL)<\/td><\/tr><tr><td>Conducted by<\/td><td>Staff Selection Commission (SSC)<\/td><\/tr><tr><td>Exam Level<\/td><td>National<\/td><\/tr><tr><td>Frequency<\/td><td>Yearly<\/td><\/tr><tr><td>Exam Mode<\/td><td>Online (Tier\u20111 &amp; Tier\u20112 CBT); Offline (Tier\u20113 descriptive)<\/td><\/tr><tr><td>Exam Duration<\/td><td>Tier\u20111: 60 minutesTier\u20112: 120 minutes per paper (Paper\u2011I, II, III, IV where applicable)Tier\u20113: 60 minutes<\/td><\/tr><tr><td>Purpose of Exam<\/td><td>To select candidates for Group\u202fB and C posts across various Government of India departments<\/td><\/tr><tr><td>Language<\/td><td>English and Hindi<\/td><\/tr><tr><td>Exam Helpdesk No.<\/td><td>011\u201169999845<\/td><\/tr><tr><td>Official Website<\/td><td><a href=\"https:\/\/ssc.gov.in\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/ssc.gov.in<\/a><\/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 wp-element-button\" href=\"https:\/\/www.oliveboard.in\/ssc-cgl-mock-test\/?ref=contan-ssc\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Free SSC CGL Tier 2 Mock Tests 2025<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ssc-cgl-tier-2-exam-pattern\"><span class=\"ez-toc-section\" id=\"SSC_CGL_Tier_2_Exam_Pattern\"><\/span><strong>SSC CGL Tier 2 Exam Pattern<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The <a href=\"https:\/\/www.oliveboard.in\/ssc-cgl-exam-pattern\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC CGL Exam Pattern<\/a> has Tier 2 stage and the table below shows the details.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><strong>Session<\/strong><\/strong><\/td><td><strong><strong>Subject<\/strong><\/strong><\/td><td><strong><strong>Questions<\/strong><\/strong><\/td><\/tr><tr><td rowspan=\"3\">Paper 1<br>Session I<br>(2 hours and 15 minutes)&nbsp;&nbsp;<\/td><td>Section I (1 hour )<br>Module I \u2013 Mathematical&nbsp;Abilities<br>Module II \u2013&nbsp;Reasoning and General Intelligence<\/td><td>30<br>30<br>60 x 30 = 180<\/td><\/tr><tr><td>Section II (1 hour )<br>Module I \u2013&nbsp;English Language Comprehension<br>Module II \u2013&nbsp;General Awareness<\/td><td>45<br>25<br>70 x 3&nbsp;= 210<\/td><\/tr><tr><td>Section III (15 minutes)<br>Module \u2013 I \u2013 Computer Knowledge module<\/td><td>20 x 3 = 60<\/td><\/tr><tr><td>Session II (15 minutes)<\/td><td>Module \u2013 II: Data Entry Speed Test<\/td><td>One data entry task<\/td><\/tr><tr><td>Paper 2<br>2 hours<\/td><td>FOR JSO: Statistics (Paper I &amp; II as above)<\/td><td>100 x 2 = 200<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Merit List:<\/strong>&nbsp;Based only on Tier-2 performance.<\/li>\n\n\n\n<li><strong>Exam Duration:<\/strong>&nbsp;Paper 1: 2 hours 15 minutes; Paper 2: 2 hours.<\/li>\n\n\n\n<li><strong>Negative Marking:<\/strong>&nbsp;Paper 1 \u2013 1 mark per wrong answer; Paper 2 \u2013 0.50 marks per wrong answer.<\/li>\n<\/ol>\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-previous-year-papers\/?ref=contmk-blogs\"><strong>Download SSC CGL Tier 2 Previous Year Papers PDF for free<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ssc-cgl-jso-statistics-paper-tier-2-faqs\"><span class=\"ez-toc-section\" id=\"SSC_CGL_JSO_Statistics_Paper_Tier-2_-FAQs\"><\/span>SSC CGL JSO Statistics Paper (Tier-2)  -FAQs<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-1751388398278\"><strong class=\"schema-faq-question\">Q1. What is the exam pattern for the SSC CGL JSO Statistics paper?<\/strong> <p class=\"schema-faq-answer\">Ans: It is a 2-hour online test with <strong>100 questions<\/strong> worth <strong>200 marks<\/strong>, covering core Statistics topics.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1751388568012\"><strong class=\"schema-faq-question\">Q2. Which Statistics topics carry the highest weight in Tier-2 JSO?<\/strong> <p class=\"schema-faq-answer\">Ans: Probability Theory, Statistical Inference, and Correlation &amp; Regression are heavily tested.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1751388577673\"><strong class=\"schema-faq-question\">Q3. Which distributions should I master for the JSO paper?<\/strong> <p class=\"schema-faq-answer\">Ans: Binomial, Poisson, Normal, and Exponential distributions, including expectation and variance.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1751388602889\"><strong class=\"schema-faq-question\">Q4. How can I tackle moments, skewness, and kurtosis questions?<\/strong> <p class=\"schema-faq-answer\">Ans: Understand formulas for raw &amp; central moments, plus standard measures of skewness and kurtosis.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1751388629753\"><strong class=\"schema-faq-question\">Q5. What\u2019s the best way to revise Measures of Dispersion?<\/strong> <p class=\"schema-faq-answer\">Ans: Practice range, mean deviation, standard deviation, and relative dispersion problems.<\/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\/error-spotting-questions\/\">Error Spotting Questions for SSC CGL, Download Free Ebook<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/sentence-improvement-questions-for-ssc-cgl\/\">Sentence Improvement Questions for SSC CGL, Attempt Now<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/how-did-air-1-use-oliveboard-to-crack-ssc-cgl\/\">How did AIR 1 use Oliveboard to crack SSC CGL 2026? Mock Data Analysis<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-tier-1-pyps\/\">SSC CGL 2025 Tier 1 Question Papers, Shift-Wise PYPs, Download PDFs<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-air-70-strategy\/\">SSC CGL AIR 70 Strategy: Mock Analysis &amp; Prep Tips<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/number-puzzles-for-ssc\/\">Number Puzzle Questions for SSC Exams, Attempt Now<\/a><\/li>\n<\/ul>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>The Statistics paper (Paper-III) of SSC CGL Tier-2 is conducted only for candidates applying for the post of Junior Statistical<\/p>\n","protected":false},"author":66,"featured_media":222177,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5217,63],"tags":[],"class_list":["post-100678","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","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>Important Statistics Topics for SSC CGL Tier 2, Check Details Here<\/title>\n<meta name=\"description\" content=\"Check the important Statistics topics for SSC CGL Tier 2 2025 for the post of Junior Statistical Officer (JSO).\" \/>\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\/important-statistics-topics-for-ssc-cgl-tier-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Important Statistics Topics for SSC CGL Tier 2, Check Details Here\" \/>\n<meta property=\"og:description\" content=\"The Statistics paper (Paper-III) of SSC CGL Tier-2 is conducted only for candidates applying for the post of Junior Statistical Officer (JSO). 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