{"id":738,"date":"2023-07-28T22:22:09","date_gmt":"2023-07-28T22:22:09","guid":{"rendered":"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/"},"modified":"2023-07-28T22:22:09","modified_gmt":"2023-07-28T22:22:09","slug":"calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/","title":{"rendered":"Intervalo de confian\u00e7a para uma calculadora de coeficiente de correla\u00e7\u00e3o"},"content":{"rendered":"<p><script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/mathjs\/5.1.1\/math.js\"><\/script><script src=\"https:\/\/cdn.jsdelivr.net\/npm\/jstat@latest\/dist\/jstat.min.js\"><\/script><\/p>\n<style>\n@import url('https:\/\/fonts.googleapis.com\/css?family=Droid+Serif|Raleway');<\/p>\n<p>.axis--y .domain {\n  display: none;\n}<\/p>\n<p>h1 {\ntext-align: center;\nfont-size: 50px;\nmargin-bottom: 0px;\nfont-family: 'Raleway', serif;\n}<\/p>\n<p>p {\ncolor: black;\nmargin-bottom: 15px;\nmargin-top: 15px;\nfont-family: 'Raleway', sans-serif;\n}<\/p>\n<p>#words {\ncolor: black;\nfont-family: Raleway;\nmax-width: 550px;\nmargin: 25px auto;\nline-height: 1.75;\npadding-left: 100px;\n}<\/p>\n<p>#words_calc {\ncolor: black;\nfont-family: Raleway;\nmax-width: 550px;\nmargin: 25px auto;\nline-height: 1.75;\npadding-left: 100px;\n}<\/p>\n<p>#hr_top {\nwidth: 30%;\nmargin-bottom: 0px;\nborder: none;\nheight: 2px;\ncolor: black;\nbackground-color: black;\n}<\/p>\n<p>#hr_bottom {\nwidth: 30%;\nmargin-top: 15px;\nborder: none;\nheight: 2px;\ncolor: black;\nbackground-color: black;\n}<\/p>\n<p>#words label, #words input, #words_calc input {\n    display: inline-block;\n    vertical-align: baseline;\n    width: 350px;\n    max-height: 35px;\n}<\/p>\n<p>    #buttonCalc {\n      border: 1px solid;\n      border-radius: 10px;\n      margin-top: 20px;\n      padding: 10px 10px;\n      cursor: pointer;\n      outline: none;\n      background-color: white;\n      color: black;\n      font-family: 'Work Sans', sans-serif;\n      border: 1px solid grey;\n      \/* Green *\/\n    }<\/p>\n<p>    #buttonCalc:hover {\n      background-color: #f6f6f6;\n      border: 1px solid black;\n    }<\/p>\n<p>#words_intro {\ncolor: black;\nfont-family: Raleway;\nmax-width: 550px;\nmargin: 25px auto;\nline-height: 1.75;\n}\n<\/style>\n<div id=\"words_intro\">Um <b>intervalo de confian\u00e7a para um coeficiente de correla\u00e7\u00e3o<\/b> \u00e9 um intervalo de valores que provavelmente cont\u00e9m um coeficiente de correla\u00e7\u00e3o populacional com um certo n\u00edvel de confian\u00e7a.<\/div>\n<div id=\"words_intro\"> Para encontrar um intervalo de confian\u00e7a para um coeficiente de correla\u00e7\u00e3o populacional, basta preencher as caixas abaixo e clicar no bot\u00e3o \u201cCalcular\u201d.<\/div>\n<div id=\"words\"> <label><b>r<\/b> (coeficiente de correla\u00e7\u00e3o da amostra)<\/label><input type=\"number\" id=\"r\" value=\"0.56\" min=\"-1\" max=\"1\" step=\".01\"><\/div>\n<div id=\"words\"> <label><b>n<\/b> (tamanho da amostra)<\/label><input type=\"number\" id=\"n\" value=\"30\"><\/div>\n<div id=\"words\"> <label>Um n\u00edvel de confian\u00e7a<\/label> <input type=\"number\" id=\"conf\" value=\".95\" min=\"0\" max=\"1\" step=\".01\"><\/div>\n<div id=\"words_calc\"><input type=\"button\" id=\"buttonCalc\" onclick=\"calc()\" value=\"Calculate\"><\/div>\n<div>\n<p style=\"text-align:center\"> IC <span id=\"confOut\">95<\/span> % = [ <span id=\"low\">0,2502<\/span> , <span id=\"high\">0,7658<\/span> ]<\/p>\n<\/div>\n<div id=\"words_intro\"> Voc\u00ea pode ter <span id=\"confOut2\">95<\/span> % de certeza de que o intervalo [ <span id=\"low2\">0,2502<\/span> , <span id=\"high2\">0,7658<\/span> ] cont\u00e9m o verdadeiro coeficiente de correla\u00e7\u00e3o populacional.<\/div>\n<p><script><\/p>\n<p>function calc() {<\/p>\n<p>\/\/get input values\nvar r = +document.getElementById('r').value;\nvar n = +document.getElementById('n').value;\nvar conf = +document.getElementById('conf').value;<\/p>\n<p>var confUse = conf - (-(1-conf)\/2);\nvar confOut = conf*100;<\/p>\n<p>\/\/calculate stuff\nvar zr = Math.log((1-(-1*r))\/(1-r))\/2;\nvar z = Math.abs(jStat.normal.inv(confUse, 0, 1));\nvar L = zr - (z\/Math.sqrt(n-3));\nvar U = zr - -1*((z\/Math.sqrt(n-3)));<\/p>\n<p>var low = (Math.exp(2*L)-1) \/ (Math.exp(2*L)-(-1*1));\nvar high = (Math.exp(2*U)-1) \/ (Math.exp(2*U)-(-1*1));<\/p>\n<p>\/\/output results\ndocument.getElementById('confOut').innerHTML = confOut;\ndocument.getElementById('confOut2').innerHTML = confOut;\ndocument.getElementById('low').innerHTML = low.toFixed(4);\ndocument.getElementById('low2').innerHTML = low.toFixed(4);\ndocument.getElementById('high').innerHTML = high.toFixed(4);\ndocument.getElementById('high2').innerHTML = high.toFixed(4);\n}<\/p>\n<p><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um intervalo de confian\u00e7a para um coeficiente de correla\u00e7\u00e3o \u00e9 um intervalo de valores que provavelmente cont\u00e9m um coeficiente de correla\u00e7\u00e3o populacional com um certo n\u00edvel de confian\u00e7a. Para encontrar um intervalo de confian\u00e7a para um coeficiente de correla\u00e7\u00e3o populacional, basta preencher as caixas abaixo e clicar no bot\u00e3o \u201cCalcular\u201d. r (coeficiente de correla\u00e7\u00e3o da [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-738","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Intervalo de confian\u00e7a para uma calculadora de coeficiente de correla\u00e7\u00e3o - estatoriais<\/title>\n<meta name=\"description\" content=\"Este c\u00e1lculo encontra um intervalo de confian\u00e7a para um determinado coeficiente de correla\u00e7\u00e3o e tamanho de amostra.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Intervalo de confian\u00e7a para uma calculadora de coeficiente de correla\u00e7\u00e3o - estatoriais\" \/>\n<meta property=\"og:description\" content=\"Este c\u00e1lculo encontra um intervalo de confian\u00e7a para um determinado coeficiente de correla\u00e7\u00e3o e tamanho de amostra.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T22:22:09+00:00\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/\",\"url\":\"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/\",\"name\":\"Intervalo de confian\u00e7a para uma calculadora de coeficiente de correla\u00e7\u00e3o - estatoriais\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-28T22:22:09+00:00\",\"dateModified\":\"2023-07-28T22:22:09+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este c\u00e1lculo encontra um intervalo de confian\u00e7a para um determinado coeficiente de correla\u00e7\u00e3o e tamanho de amostra.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Intervalo de confian\u00e7a para uma calculadora de coeficiente de correla\u00e7\u00e3o\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais\",\"sameAs\":[\"https:\/\/statorials.org\/pt\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Intervalo de confian\u00e7a para uma calculadora de coeficiente de correla\u00e7\u00e3o - estatoriais","description":"Este c\u00e1lculo encontra um intervalo de confian\u00e7a para um determinado coeficiente de correla\u00e7\u00e3o e tamanho de amostra.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/","og_locale":"pt_PT","og_type":"article","og_title":"Intervalo de confian\u00e7a para uma calculadora de coeficiente de correla\u00e7\u00e3o - estatoriais","og_description":"Este c\u00e1lculo encontra um intervalo de confian\u00e7a para um determinado coeficiente de correla\u00e7\u00e3o e tamanho de amostra.","og_url":"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/","og_site_name":"Statorials","article_published_time":"2023-07-28T22:22:09+00:00","author":"Dr. benjamim anderson","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"Dr. benjamim anderson"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/","url":"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/","name":"Intervalo de confian\u00e7a para uma calculadora de coeficiente de correla\u00e7\u00e3o - estatoriais","isPartOf":{"@id":"https:\/\/statorials.org\/pt\/#website"},"datePublished":"2023-07-28T22:22:09+00:00","dateModified":"2023-07-28T22:22:09+00:00","author":{"@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666"},"description":"Este c\u00e1lculo encontra um intervalo de confian\u00e7a para um determinado coeficiente de correla\u00e7\u00e3o e tamanho de amostra.","breadcrumb":{"@id":"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pt\/calculadora-de-coeficiente-de-correlacao-de-intervalo-de-confianca\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Lar","item":"https:\/\/statorials.org\/pt\/"},{"@type":"ListItem","position":2,"name":"Intervalo de confian\u00e7a para uma calculadora de coeficiente de correla\u00e7\u00e3o"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/pt\/#website","url":"https:\/\/statorials.org\/pt\/","name":"Statorials","description":"O seu guia para a literacia estat\u00edstica!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/pt\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"pt-PT"},{"@type":"Person","@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666","name":"Dr. benjamim anderson","image":{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/","url":"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","contentUrl":"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","caption":"Dr. benjamim anderson"},"description":"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais","sameAs":["https:\/\/statorials.org\/pt"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/738","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/comments?post=738"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/738\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/media?parent=738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/categories?post=738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/tags?post=738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}