{"id":440,"date":"2023-07-29T22:29:55","date_gmt":"2023-07-29T22:29:55","guid":{"rendered":"https:\/\/statorials.org\/pt\/calculadora-de-corte-de-pontuacao-z\/"},"modified":"2023-07-29T22:29:55","modified_gmt":"2023-07-29T22:29:55","slug":"calculadora-de-corte-de-pontuacao-z","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/calculadora-de-corte-de-pontuacao-z\/","title":{"rendered":"Calculadora de limite de pontua\u00e7\u00e3o z"},"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 {\ncolor: black;\ntext-align: center;\nmargin-top: 15px;\nmargin-bottom: 0px;\nfont-family: 'Raleway', sans-serif;\n}<\/p>\n<p>h2 {\ncolor: black;\nfont-size: 20px;\ntext-align: center;\nmargin-bottom: 15px;\nmargin-top: 15px;\nfont-family: 'Raleway', sans-serif;\n}<\/p>\n<p>p {\ncolor: black;\ntext-align: center;\nmargin-bottom: 15px;\nmargin-top: 15px;\nfont-family: 'Raleway', sans-serif;\n}<\/p>\n<p>#words_intro {\ncolor: black;\nfont-family: Raleway;\nmax-width: 550px;\nmargin: 25px auto;\nline-height: 1.75;\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>#calcTitle {\ntext-align: center;\nfont-size: 20px;\nmargin-bottom: 0px;\nfont-family: 'Raleway', serif;\n}<\/p>\n<p>#hr_top {\nwidth: 30%;\nmargin-bottom: 0px;\nmargin-top: 10px;\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>label, input {\n    display: inline-block;\n    vertical-align: baseline;\n    width: 350px;\n}<\/p>\n<p>    #button {\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>    #button:hover {\n      background-color: #f6f6f6;\n      border: 1px solid black;\n    }<\/p>\n<p>\t    .label_radio {\n\ttext-align: center;\n}\n<\/style>\n<div id=\"words_intro\">Para uma popula\u00e7\u00e3o normalmente distribu\u00edda com uma determinada m\u00e9dia ( <b>\u03bc<\/b> ) e desvio padr\u00e3o ( <b>\u03c3<\/b> ), esta calculadora encontra o valor que deve estar no <sup>x-\u00e9simo<\/sup> percentil ou superior.<\/div>\n<div id=\"words_intro\"> Por exemplo, suponha que as pontua\u00e7\u00f5es em um determinado teste sejam normalmente distribu\u00eddas com m\u00e9dia 85 e desvio padr\u00e3o 4. Queremos saber qual pontua\u00e7\u00e3o um aluno deve receber para obter uma pontua\u00e7\u00e3o superior a 95% de todos os outros alunos. . Esta calculadora nos permitir\u00e1 encontrar essa pontua\u00e7\u00e3o.<\/div>\n<div id=\"words_intro\"> Para encontrar o valor de corte para uma determinada m\u00e9dia populacional, desvio padr\u00e3o populacional e percentil, basta preencher os valores necess\u00e1rios abaixo e clicar no bot\u00e3o \u201cCalcular\u201d.<\/div>\n<div id=\"words\"> <label for=\"pop_mean\"><b>M\u00e9dia populacional (\u03bc)<\/b><\/label><input type=\"number\" id=\"pop_mean\" min=\"0\" value=\"85\"><\/div>\n<div id=\"words\"> <label for=\"pop_sd\"><b>Desvio padr\u00e3o populacional (\u03c3)<\/b><\/label><input type=\"number\" id=\"pop_sd\" min=\"0\" value=\"4\"><\/div>\n<div id=\"words\"> <label for=\"x\"><b><sup>x\u00ba<\/sup> percentil<\/b><\/label> <input type=\"number\" id=\"x\" min=\"0\" value=\"95\"><\/div>\n<div id=\"words\"><input type=\"button\" id=\"button\" onclick=\"calc()\" value=\"Calculate\"><\/div>\n<div>\n<p> Um valor de <span id=\"value\"><b>91,57941<\/b><\/span> deve ser superior a <span id=\"x_out\">95<\/span> % de todos os outros valores.<\/p>\n<\/div>\n<hr id=\"hr_top\">\n<div>\n<h2> <b>Explica\u00e7\u00e3o:<\/b><\/h2>\n<\/div>\n<div>\n<p> z = (X \u2013 \u03bc) \/ \u03c3<\/p>\n<\/div>\n<div>\n<p> <span id=\"z_out1\">1,64485<\/span> = (X \u2013 <span id=\"mean_out1\">85<\/span> ) \/ <span id=\"sd_out1\">4<\/span><\/p>\n<\/div>\n<div>\n<p> <span id=\"z_out2\">1,64485<\/span> * <span id=\"sd_out2\">4<\/span> = X \u2013 <span id=\"mean_out2\">85<\/span><\/p>\n<\/div>\n<div>\n<p> ( <span id=\"z_out3\">1,64485<\/span> * <span id=\"sd_out3\">4<\/span> ) + <span id=\"mean_out3\">85<\/span> =<\/p>\n<\/div>\n<div>\n<p> <span id=\"value2\"><b>91,57941<\/b><\/span> =<\/p>\n<\/div>\n<div class=\"content_hint\"><\/div>\n<p><script><\/p>\n<p>function calc() {<\/p>\n<p>\t\/\/get input degrees of freedom, t-value\n\tvar x = document.getElementById('x').value*1;\n\tvar pop_mean = document.getElementById('pop_mean').value*1;\n\tvar pop_sd = document.getElementById('pop_sd').value*1;<\/p>\n<p>\t\/\/calculate z-score\n\tvar z = jStat.normal.inv((x\/100), 0, 1);\n\tvar value = (z*pop_sd) - (-pop_mean);<\/p>\n<p>\t\/\/output values\n    document.getElementById('value').innerHTML = \"<b>\" + value.toFixed(5) + \"<\/b>\";\n    document.getElementById('value2').innerHTML = \"<b>\" + value.toFixed(5) + \"<\/b>\";\n\tdocument.getElementById('x_out').innerHTML = x;\n\tdocument.getElementById('z_out1').innerHTML = z.toFixed(5);\n    document.getElementById('z_out2').innerHTML = z.toFixed(5);\n    document.getElementById('z_out3').innerHTML = z.toFixed(5);\n    document.getElementById('sd_out1').innerHTML = pop_sd.toFixed(5);\n    document.getElementById('sd_out2').innerHTML = pop_sd.toFixed(5);\n    document.getElementById('sd_out3').innerHTML = pop_sd.toFixed(5);\n    document.getElementById('mean_out1').innerHTML = pop_mean.toFixed(5);\n    document.getElementById('mean_out2').innerHTML = pop_mean.toFixed(5);\n    document.getElementById('mean_out3').innerHTML = pop_mean.toFixed(5);\n  }<\/p>\n<p><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Para uma popula\u00e7\u00e3o normalmente distribu\u00edda com uma determinada m\u00e9dia ( \u03bc ) e desvio padr\u00e3o ( \u03c3 ), esta calculadora encontra o valor que deve estar no x-\u00e9simo percentil ou superior. Por exemplo, suponha que as pontua\u00e7\u00f5es em um determinado teste sejam normalmente distribu\u00eddas com m\u00e9dia 85 e desvio padr\u00e3o 4. Queremos saber qual pontua\u00e7\u00e3o [&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-440","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>Calculadora de limite de pontua\u00e7\u00e3o Z - Estatoriais<\/title>\n<meta name=\"description\" content=\"Para uma popula\u00e7\u00e3o com uma determinada m\u00e9dia e desvio padr\u00e3o, esta calculadora encontra o valor que deveria estar no x-\u00e9simo percentil ou superior.\" \/>\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-corte-de-pontuacao-z\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calculadora de limite de pontua\u00e7\u00e3o Z - Estatoriais\" \/>\n<meta property=\"og:description\" content=\"Para uma popula\u00e7\u00e3o com uma determinada m\u00e9dia e desvio padr\u00e3o, esta calculadora encontra o valor que deveria estar no x-\u00e9simo percentil ou superior.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/calculadora-de-corte-de-pontuacao-z\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T22:29:55+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\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/calculadora-de-corte-de-pontuacao-z\/\",\"url\":\"https:\/\/statorials.org\/pt\/calculadora-de-corte-de-pontuacao-z\/\",\"name\":\"Calculadora de limite de pontua\u00e7\u00e3o Z - Estatoriais\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-29T22:29:55+00:00\",\"dateModified\":\"2023-07-29T22:29:55+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Para uma popula\u00e7\u00e3o com uma determinada m\u00e9dia e desvio padr\u00e3o, esta calculadora encontra o valor que deveria estar no x-\u00e9simo percentil ou superior.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/calculadora-de-corte-de-pontuacao-z\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/calculadora-de-corte-de-pontuacao-z\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/calculadora-de-corte-de-pontuacao-z\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculadora de limite de pontua\u00e7\u00e3o z\"}]},{\"@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. 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