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The material lists multiple score ranges with corresponding percentile values, indicating how raw performance translates into rank-based interpretation. It also reports mean and standard deviation, median, and reliability or related statistics including KR-21 and the relative standard error of measurement, supporting assessment evaluation and comparison across score levels.",{"@graph":69,"@context":115},[70,84,106],{"@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/analytical-chemistry-exam-2001/332204/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/analytical-chemistry-exam-2001/332204.png","ImageObject",300,407,{"name":92,"@type":93},"Stanford","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-09","2026-09-21",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",11,{"@type":107,"mainEntity":108},"FAQPage",[109],{"name":110,"@type":111,"acceptedAnswer":112},"Which statistical reliability measures are reported?","Question",{"text":113,"@type":114},"The document reports KR-21 and related measurement error information, along with mean, standard deviation, and median to support assessment evaluation.","Answer","https://schema.org",{"og:url":83,"og:type":117,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":119,"canonical":83},"index,follow",{"doc_id":121,"site_id":62},332204,1790126384,{"code":4,"msg":5,"data":124},{"doc_id":121,"user_id":125,"nickname":92,"user_avatar":126,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":127,"file_id":128,"file_url":129,"file_type":130,"file_size":131,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":8,"language":132,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":133,"faqs":134,"seo_title":135,"seo_description":67,"update_tm":136,"read_time":81,"preview_page_count":4},2336477552062,"https://ap-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d","|  |  |  |  |\n| --- | --- | --- | --- |\n| American Chemical Society Division of Chemical Education\u003Cbr>Composite Norms Analytical Chemistry Exam 2001 |  |  |  |\n| Score Percentile | Score Percentile |  | Score Percentile |\n| 50 100 49 100\u003Cbr>48 100 | 33 68 32 64\u003Cbr>31 61 |  | 16 6\u003Cbr>15 5\u003Cbr>14 5 |\n| 47 100 46 100\u003Cbr>45 100 | 30 57 29 52\u003Cbr>28 47 |  | 13 4\u003Cbr>12 3\u003Cbr>11 2 |\n| 44 99 43 99\u003Cbr>42 98 | 27 41 26 35\u003Cbr>25 30 |  | 10 1\u003Cbr>9 1\u003Cbr>8 0 |\n| 41 96 40 94\u003Cbr>39 93 | 24 26 23 22\u003Cbr>22 19 |  | 7 0\u003Cbr>6 0\u003Cbr>5 0 |\n| 38 90 37 87\u003Cbr>36 83 | 21 16 20 13\u003Cbr>19 10 |  | 4 0\u003Cbr>3 0\u003Cbr>2 0 |\n| 35 80 34 74 | 18 9\u003Cbr>17 7 |  | 1 0 |\n|  |  |  |  |\n| Mean Std deviation Median KR-21 rel Std error/meas\u003Cbr>28.48\u003Cbr>7.5829 0.8\u003Cbr>3.37 |  |  |  |","cbCairjCu42MYYXr","https://ap.wps.com/l/cbCairjCu42MYYXr","pdf",64497,"English","# Score to Percentile Mapping\n## Descriptive Statistics and Reliability Indices","[{\"question\":\"Which statistical reliability measures are reported?\",\"answer\":\"The document reports KR-21 and related measurement error information, along with mean, standard deviation, and median to support assessment evaluation.\"}]","Analytical Chemistry Exam 2001 | PDF",1789997301]