{"id":748,"date":"2023-07-28T21:32:39","date_gmt":"2023-07-28T21:32:39","guid":{"rendered":"https:\/\/statorials.org\/pt\/za-calculadora-de-teste-de-duas-proporcoes\/"},"modified":"2023-07-28T21:32:39","modified_gmt":"2023-07-28T21:32:39","slug":"za-calculadora-de-teste-de-duas-proporcoes","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/za-calculadora-de-teste-de-duas-proporcoes\/","title":{"rendered":"Calculadora de teste z de duas propor\u00e7\u00f5es"},"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, input {\n    display: inline-block;\n    vertical-align: baseline;\n    width: 350px;\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>teste z de duas propor\u00e7\u00f5es<\/b> \u00e9 usado para testar a diferen\u00e7a entre duas propor\u00e7\u00f5es populacionais. A estat\u00edstica de teste \u00e9 calculada da seguinte forma:<\/div>\n<div id=\"words_intro\"> <b>z<\/b> = (p <sub>1<\/sub> -p <sub>2<\/sub> ) \/ \u221a <span style=\"border-top: 1px solid black;\">(p(1-p)(1\/n <sub>1<\/sub> +1\/n <sub>2<\/sub> )<\/span><\/div>\n<div id=\"words_intro\"> Ouro:<\/div>\n<div id=\"words_intro\">\n<ul>\n<li> p = propor\u00e7\u00e3o total agrupada<\/li>\n<li> p <sub>1<\/sub> = propor\u00e7\u00e3o da amostra 1<\/li>\n<li> p <sub>2<\/sub> = propor\u00e7\u00e3o da amostra 2<\/li>\n<li> n <sub>1<\/sub> = tamanho da amostra 1<\/li>\n<li> n <sub>2<\/sub> = tamanho da amostra 2<\/li>\n<\/ul>\n<\/div>\n<div id=\"words_intro\"> Para realizar um teste z de duas propor\u00e7\u00f5es, basta preencher as informa\u00e7\u00f5es abaixo e clicar no bot\u00e3o \u201cCalcular\u201d.<\/div>\n<div id=\"words\"> <label><b>p <sub>1<\/sub><\/b> (propor\u00e7\u00e3o da amostra 1)<\/label><input type=\"number\" id=\"p1\" value=\"0.64\"><\/div>\n<div id=\"words\"> <label><b>n <sub>1<\/sub><\/b> (tamanho da amostra 1)<\/label><input type=\"number\" id=\"n1\" value=\"30\"><\/div>\n<div id=\"words\"> <label><b>p <sub>2<\/sub><\/b> (propor\u00e7\u00e3o da amostra 2)<\/label><input type=\"number\" id=\"p2\" value=\"0.6\"><\/div>\n<div id=\"words\"> <label><b>n <sub>2<\/sub><\/b> (tamanho da amostra 2)<\/label> <input type=\"number\" id=\"n2\" value=\"30\"><\/div>\n<div id=\"words_calc\"><input type=\"button\" id=\"buttonCalc\" onclick=\"calc()\" value=\"Calculate\"><\/div>\n<div id=\"words\">\n<p> estat\u00edstica z: <span id=\"z\">0,31917<\/span><\/p>\n<\/div>\n<div id=\"words\">\n<p> Valor p (unilateral): <span id=\"p1out\">0,37480<\/span><\/p>\n<\/div>\n<div id=\"words\">\n<p> Valor p (2 lados): <span id=\"p2out\">0,74960<\/span><\/p>\n<\/div>\n<p><script><\/p>\n<p>function calc() {<\/p>\n<p>\/\/get input values\nvar p1 = +document.getElementById('p1').value;\nvar n1 = +document.getElementById('n1').value;\nvar p2 = +document.getElementById('p2').value;\nvar n2 = +document.getElementById('n2').value;<\/p>\n<p>\/\/calculate stuff\nvar pool = (p1*n1 - (-p2*n2))\/(n1-(-1*n2));\nvar z = (p1-p2)\/(Math.sqrt(pool*(1-pool)*(1\/n1-(-1\/n2))));<\/p>\n<p>\/\/calculate p-value\nif (z<0) {\nvar p1out = jStat.normal.cdf(z, 0, 1);\nvar p2out = p1out*2;\n} else {\nvar p1out = 1-jStat.normal.cdf(z, 0, 1);\nvar p2out = p1out*2;\n}\n\n\/\/output probabilities\ndocument.getElementById('z').innerHTML = z.toFixed(5);\ndocument.getElementById('p1out').innerHTML = p1out.toFixed(5);\ndocument.getElementById('p2out').innerHTML = p2out.toFixed(5);\n}\n\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um teste z de duas propor\u00e7\u00f5es \u00e9 usado para testar a diferen\u00e7a entre duas propor\u00e7\u00f5es populacionais. A estat\u00edstica de teste \u00e9 calculada da seguinte forma: z = (p 1 -p 2 ) \/ \u221a (p(1-p)(1\/n 1 +1\/n 2 ) Ouro: p = propor\u00e7\u00e3o total agrupada p 1 = propor\u00e7\u00e3o da amostra 1 p 2 = [&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-748","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 teste Z de duas propor\u00e7\u00f5es \u2013 Estatologia<\/title>\n<meta name=\"description\" content=\"Esta calculadora executa um teste z de duas propor\u00e7\u00f5es com base nas informa\u00e7\u00f5es fornecidas pelo usu\u00e1rio.\" \/>\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\/za-calculadora-de-teste-de-duas-proporcoes\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calculadora de teste Z de duas propor\u00e7\u00f5es \u2013 Estatologia\" \/>\n<meta property=\"og:description\" content=\"Esta calculadora executa um teste z de duas propor\u00e7\u00f5es com base nas informa\u00e7\u00f5es fornecidas pelo usu\u00e1rio.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/za-calculadora-de-teste-de-duas-proporcoes\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T21:32:39+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\/za-calculadora-de-teste-de-duas-proporcoes\/\",\"url\":\"https:\/\/statorials.org\/pt\/za-calculadora-de-teste-de-duas-proporcoes\/\",\"name\":\"Calculadora de teste Z de duas propor\u00e7\u00f5es \u2013 Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-28T21:32:39+00:00\",\"dateModified\":\"2023-07-28T21:32:39+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Esta calculadora executa um teste z de duas propor\u00e7\u00f5es com base nas informa\u00e7\u00f5es fornecidas pelo usu\u00e1rio.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/za-calculadora-de-teste-de-duas-proporcoes\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/za-calculadora-de-teste-de-duas-proporcoes\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/za-calculadora-de-teste-de-duas-proporcoes\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculadora de teste z de duas propor\u00e7\u00f5es\"}]},{\"@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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