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It classifies diagrammatic presentation into geometric diagrams, frequency diagrams, and arithmetic line graphs or time series graphs. It then focuses on bars diagrams, describing simple, multiple, sub-divided, and percentage bar diagrams with examples and illustrated chart layouts. It also introduces pie (circular) diagrams, including construction steps and the conversion of category counts into percentages and angles.",{"@graph":69,"@context":116},[70,84,99],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/xi-economics-part-b-chapter-6-diagrammatic-presentation-of-data-bar-diagram-pie-diagram/657371/",{"url":83,"name":65,"@type":85,"author":86,"headline":65,"publisher":89,"fileFormat":92,"inLanguage":63,"description":67,"dateModified":93,"datePublished":93,"encodingFormat":92,"isAccessibleForFree":94,"interactionStatistic":95},"DigitalDocument",{"name":87,"@type":88},"Sarah ","Person",{"url":74,"name":90,"@type":91},"DocShare","Organization","application/pdf","2026-10-26",true,{"@type":96,"interactionType":97,"userInteractionCount":4},"InteractionCounter",{"@type":98},"ViewAction",{"@type":100,"mainEntity":101},"FAQPage",[102,108,112],{"name":103,"@type":104,"acceptedAnswer":105},"What are the three broad classifications of diagrammatic presentation of data?","Question",{"text":106,"@type":107},"They are geometric forms, frequency diagrams, and arithmetic line-graphs or time series graphs.","Answer",{"name":109,"@type":104,"acceptedAnswer":110},"How is a simple bar diagram defined?",{"text":111,"@type":107},"A simple bar diagram is based on a single set of numerical data and displays values using bars or rectangles.",{"name":113,"@type":104,"acceptedAnswer":114},"What is involved in constructing a pie diagram?",{"text":115,"@type":107},"Counts are converted into percentages of the total, then 360° is divided in the same proportions to determine the sector angles for each category.","https://schema.org",{"og:url":83,"og:type":118,"og:title":65,"og:site_name":90,"og:description":67},"article",{"robots":120,"canonical":83},"index,follow",{"doc_id":122,"site_id":62},657371,1792978244,{"code":4,"msg":5,"data":125},{"doc_id":122,"user_id":126,"nickname":87,"user_avatar":127,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":128,"file_id":129,"file_url":130,"file_type":131,"file_size":132,"view_count":4,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":133,"language":134,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":135,"faqs":136,"seo_title":137,"seo_description":67,"update_tm":123,"read_time":138},962085320529,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","(XI Economics Part B)  \n(text book page 99 to 110)  \nChapter-6  \nDiagrammatic Presentation of Data  \n(Bar Diagram & Pie Diagram)  \nSir. VL Felfamkima (Felby-a)  \nM.Com (SLET), M.Phil, B.Ed Lecturer, Deptt. of Economics  \nDiagrammatic Presentation of Data  \nData may be presented in a simple manner and attractive manner in the form of diagrams. Diagrammatic presentation is broadly classified as of three types:-  \n1) Geometric form including bar diagrams and pie diagrams,  \n2) Frequency diagrams including histograms, polygon and ogive, and  \n3) Arithmetic Line-Graphs or Time Series Graphs.  \n1. Bars Diagrams  \nBar diagrams are those diagrams in which data are presented in the form of bars or rectangles.  \nTypes of Bar Diagrams:  \n1) Simple bar Diagrams: Simple bar diagrams are those diagrams which are based on a single set of numerical data  \n1) Simple bar Diagrams:  \nIllustration 1. From the following data of birth rate, present simple bar diagram  \n(vertical bar diagram) .  \n\n| Year | 1951-60 | 1961-70 | 1971-80 | 1981-90 | 1991-2000 | 2000-2010 |\n| --- | --- | --- | --- | --- | --- | --- |\n| Birth Rate | 45 | 35 | 30 | 28 | 24 | 20 |\n\nBirth rate  \n50  \n45  \n40  \n35  \n30  \n25  \n20  \n15  \n10  \n5  \n0  \n\n| 45 |\n| --- |\n|  |\n| 35 |\n| 30\u003Cbr>28 |\n| 24 |\n| 20 |\n|  |\n|  |\n|  |\n|  |\n\n1951-60 1961-70 1971-80 1981-90 1991-2000 2001-2010  \n Birth rate  \nSimple Bar Diagram  \n(Horizontal Bar Diagram)  \n\n| Year | 1951-60 | 1961-70 | 1971-80 | 1981-90 | 1991-2000 | 2000-2010 |\n| --- | --- | --- | --- | --- | --- | --- |\n| Birth Rate | 45 | 35 | 30 | 28 | 24 | 20 |\n\nBirth Rate  \n2001-10  \n91-2000  \n81-90  \n71-80  \n61-70  \n1951-60  \n0 5 10 15 20 25 30 35 40 45 50  \n Birth Rate  \n2) Multiple Bar Diagram: Diagrams which shows two or more set of data. Illustration 3: From the following data, present multiple bar diagram  \n\n| Year | 1921-30 | 1931-40 | 1941-50 | 1951-60 | 1961-70 | 1971-80 | 1981-90 | 2011-12 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| Birth Rate | 46 | 45 | 40 | 42 | 41 | 37 | 32.5 | 22.5 |\n| Death Rate | 36 | 31 | 27 | 23 | 19 | 15 | 11.5 | 7.3 |\n\nChart Title  \n50  \n45  \n40  \n35  \n30  \n25  \n20  \n15  \n10  \n5  \n0  \n\n| 46 45 |  |  |\n| --- | --- | --- |\n| 40 | 42 | 41 |\n| 36 |  | 37 |\n| 31 |  | 32.5 |\n| 27 | 23 |  |\n|  |  | 22.5\u003Cbr>19 |\n| 15 |  |  |\n| 11.5 |  |  |\n| 7.3 |  |  |\n| |  |  |\n\n1921-30 1931-40 1941-50 1951-60 1961-70 1971-80 1981-90 2011-12  \n Birth rate  Death rate  \n3) Sub-divided Bar Diagram:  \nThose diagrams which shows total values as well as part values of a set of data.  \nIllustration 4: From the following data, present sub-divided bar diagram.  \n\n| Year | Hydro-Electricity | Thermal Electricity | Total Production |\n| --- | --- | --- | --- |\n| 2007-08 | 46 | 64 | 110 |\n| 2008-09 | 49 | 72 | 121 |\n| 2009-2010 | 48 | 82 | 130 |\n| 2010-2011 | 51 | 89 | 140 |\n\nChart Title  \n160  \n140  \n120  \n100  \n80  \n60  \n40  \n20  \n0  \n Hydro-Electricity  Thermal Electricity  \n|  |\n| --- |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n\n72  \n64  \n89  \n82  \n46 49 48 51  \n2007-08 2008-09 2009-10 2010-11  \n4) Percentage Bar Diagram:  \nIt shows different set of data in terms of percentage (%)  \nIllustration 5: From the following data, Present percentage bar diagram.  \n\n| Sector | Year 2007-08 | Year 2008-09 |\n| --- | --- | --- |\n| Primary | 6,65,751 | ,671,674 |\n| Secondary | 8,23,220 | 8,46,805 |\n| Tertiary | 21,58,070 | 21,70,512 |\n| Total | 36,47,041 | 36,88,991 |\n\nPercentage  \n\n| Sector | Year 2007-08 | Cumu. % | Year 2008-09 | Cumu. % |\n| --- | --- | --- | --- | --- |\n| Primary | 18.3 | 18.3 | 18.2 | 18.2 |\n| Secondary | 22.6 | 40.9 | 23.0 | 41.2 |\n| Tertiary | 59.1 | 100 | 58.8 | 100 |\n| Total | 100 | - | 100 | - |\n\nPercentage Bar Diagram  \n\n| Chart Title |  |\n| --- | --- |\n| 120\u003Cbr>100\u003Cbr>80\u003Cbr>60\u003Cbr>40\u003Cbr>20\u003Cbr>0 | 59.1 58.8 \u003Cbr>22.6 \u003Cbr>23 \u003Cbr>18.3 \u003Cbr>18.2\u003Cbr>|\n| 2007-08 2008-09\u003Cbr> Primary  S","cbCaiiysNjoWOiul","https://ap.wps.com/l/cbCaiiysNjoWOiul","pdf",1065843,14,"English","# Chapter-6 Diagrammatic Presentation of Data\n## Bars Diagrams\n## Pie or Circular Diagram","[{\"question\":\"What are the three broad classifications of diagrammatic presentation of data?\",\"answer\":\"They are geometric forms, frequency diagrams, and arithmetic line-graphs or time series graphs.\"},{\"question\":\"How is a simple bar diagram defined?\",\"answer\":\"A simple bar diagram is based on a single set of numerical data and displays values using bars or rectangles.\"},{\"question\":\"What is involved in constructing a pie diagram?\",\"answer\":\"Counts are converted into percentages of the total, then 360° is divided in the same proportions to determine the sector angles for each category.\"}]","XI Economics Part B - Chapter-6 - Diagrammatic Presentation of Data - Bar Diagram & Pie Diagram | PDF",35]