{"id":806,"date":"2025-12-23T10:35:33","date_gmt":"2025-12-23T10:35:33","guid":{"rendered":"https:\/\/alandix.com\/statistics\/?page_id=806"},"modified":"2025-12-23T10:41:34","modified_gmt":"2025-12-23T10:41:34","slug":"chapter-5","status":"publish","type":"page","link":"https:\/\/alandix.com\/statistics\/second-edition\/toc\/chapter-5\/","title":{"rendered":"Chapter 5: Probing the unknown"},"content":{"rendered":"<div class=\"embedurl\" data-url=\"https:\/\/alandix.com\/books\/hcistats\/content2e\/chaps\/chap-5.html\" ><!--  Chapter 5 Probing the unknown  -->\n\n<script>\nvar chapnos = 5;\nvar json_url = \"https:\\\/\\\/alandix.com\\\/books\\\/hcistats\\\/content2e\\\/chaps\\\/chap-5.json\";\n<\/script>\n\n\n\n\n\n\n<h3> Contents <\/h3>\n<div class=\"toc\">\n<dl>\n<dt>5.1&nbsp;&nbsp;Recall the job of statistics<\/dt>\n<dt>5.2&nbsp;&nbsp;Conditional probability<\/dt>\n<dt>5.3&nbsp;&nbsp;Likelihood<\/dt>\n<dt>5.4&nbsp;&nbsp;Statistical reasoning<\/dt>\n<dt>5.5&nbsp;&nbsp;Types of statistics<\/dt>\n<\/dl><\/div>\n\n\n<h3> Glossary items referenced in this chapter <\/h3>\n<div class=\"toc\">\n<a href=\"https:\/\/alandix.com\/glossary\/hcistats\/bayesian%20statistics\">Bayesian statistics<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/bias\">bias<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/binomial%20distribution\">Binomial distribution<\/a>, <strong><a href=\"https:\/\/alandix.com\/glossary\/hcistats\/conditional%20probability\">conditional probability<\/a><\/strong>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/confidence%20interval\">confidence interval<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/confirmation%20bias\">confirmation bias<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/counterfactual\">counterfactual<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/error%20rate\">error rate<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/hypothesis%20testing\">hypothesis testing<\/a>, <strong><a href=\"https:\/\/alandix.com\/glossary\/hcistats\/likelihood\">likelihood<\/a><\/strong>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/non-independence\">non-independence<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/p-value\">p-value<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/random%20effect\">random effect<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/real%20world\">real world<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/response%20time\">response time<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/simulation%20methods\">simulation methods<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/statistical%20analysis\">statistical analysis<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/statistical%20inference\">statistical inference<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/the%20job%20of%20statistics\">the job of statistics<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/theoretical%20distribution\">theoretical distribution<\/a>, <a href=\"https:\/\/alandix.com\/glossary\/hcistats\/user%20studies\">user studies<\/a><\/div>\n\n\n<!-- ?php\n\tif ( @$page['prolog_examples'] ):\n?>\n<h3> Prolog examples (from 1st ed.) <\/h3>\n<!-- ?php\n\techo $page['prolog_examples'];\n?>\n<!-- ?php\n\tendif; \/\/ @$page['prolog_examples']\n? -->\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":801,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"class_list":["post-806","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/alandix.com\/statistics\/wp-json\/wp\/v2\/pages\/806","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alandix.com\/statistics\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/alandix.com\/statistics\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/alandix.com\/statistics\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/alandix.com\/statistics\/wp-json\/wp\/v2\/comments?post=806"}],"version-history":[{"count":2,"href":"https:\/\/alandix.com\/statistics\/wp-json\/wp\/v2\/pages\/806\/revisions"}],"predecessor-version":[{"id":838,"href":"https:\/\/alandix.com\/statistics\/wp-json\/wp\/v2\/pages\/806\/revisions\/838"}],"up":[{"embeddable":true,"href":"https:\/\/alandix.com\/statistics\/wp-json\/wp\/v2\/pages\/801"}],"wp:attachment":[{"href":"https:\/\/alandix.com\/statistics\/wp-json\/wp\/v2\/media?parent=806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}