{"id":10884,"date":"2025-07-15T13:34:50","date_gmt":"2025-07-15T13:34:50","guid":{"rendered":"https:\/\/functiontranslator.com\/dist-f-dir\/"},"modified":"2021-02-25T17:19:09","modified_gmt":"2021-02-25T17:19:09","slug":"f-dist-rt","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/","title":{"rendered":"DIST.F.DIR"},"content":{"rendered":"

Sintaxe e Funcionalidade<\/h2>\n

A fun\u00e7\u00e3o F.DIST.RT no Excel, ou DIST.F.DIR no Google Planilhas, \u00e9 uma fun\u00e7\u00e3o estat\u00edstica empregada para calcular a probabilidade de que uma vari\u00e1vel aleat\u00f3ria com uma distribui\u00e7\u00e3o F exceda um valor espec\u00edfico. Essa fun\u00e7\u00e3o \u00e9 fundamental em an\u00e1lises de vari\u00e2ncia (ANOVA) ou quando comparando a varia\u00e7\u00e3o entre duas amostras.<\/p>\n

A sintaxe b\u00e1sica \u00e9:<\/p>\n

  Excel: F.DIST.RT(x, graus_de_liberdade1, graus_de_liberdade2) Google Planilhas: DIST.F.DIR(x, graus_de_liberdade1, graus_de_liberdade2) <\/code> <\/pre>\n
Onde:<\/p>\n
    \n
  • x<\/strong> \u00e9 o valor para o qual a fun\u00e7\u00e3o de distribui\u00e7\u00e3o \u00e9 calculada;<\/li>\n
  • graus_de_liberdade1<\/strong> refere-se aos graus de liberdade do numerador;<\/li>\n
  • graus_de_liberdade2<\/strong> aos graus de liberdade do denominador.<\/li>\n<\/ul>\n
    Exemplos Pr\u00e1ticos de Uso<\/h2>\n
    Veja dois exemplos onde essa fun\u00e7\u00e3o pode ser eficazmente utilizada em cen\u00e1rios de an\u00e1lise de dados reais.<\/p>\n
    Compara\u00e7\u00e3o de Variabilidade entre Duas M\u00e1quinas<\/h2>\n
    Considere uma empresa que deseja comparar a variabilidade na produ\u00e7\u00e3o de duas m\u00e1quinas distintas. Amostras de 10 pe\u00e7as s\u00e3o coletadas de cada m\u00e1quina, resultando em 9 graus de liberdade para cada uma (10-1). Suponhamos que o valor de F calculado seja 3.5. A fun\u00e7\u00e3o \u00e9 empregada como segue para calcular a probabilidade de que a variabilidade observada n\u00e3o se deve simplesmente ao acaso.<\/p>\n
      Excel: =F.DIST.RT(3.5, 9, 9) Google Planilhas: =DIST.F.DIR(3.5, 9, 9) <\/code> <\/pre>\n
    O resultado indica a probabilidade de que a discrep\u00e2ncia entre as m\u00e1quinas seja estatisticamente significativa.<\/p>\n
    Verifica\u00e7\u00e3o da Homogeneidade de Vari\u00e2ncias<\/h2>\n
    Outro uso se d\u00e1 na an\u00e1lise de vari\u00e2ncia (ANOVA), onde \u00e9 crucial que as vari\u00e2ncias entre os grupos sejam similares. Considerando dois grupos, um com 15 observa\u00e7\u00f5es e outro com 20, os graus de liberdade s\u00e3o 14 e 19, respectivamente. Se o valor de F calculado for 2.1, aplicamos a fun\u00e7\u00e3o assim:<\/p>\n
      Excel: =F.DIST.RT(2.1, 14, 19) Google Planilhas: =DIST.F.DIR(2.1, 14, 19) <\/code> <\/pre>\n
    Um resultado baixo sugere que as diferen\u00e7as nas vari\u00e2ncias podem ser significativas, enquanto um valor alto indica homogeneidade.<\/p>\n
    Considera\u00e7\u00f5es Finais<\/h2>\n
    A fun\u00e7\u00e3o F.DIST.RT (Excel) ou DIST.F.DIR (Google Planilhas) proporciona uma base s\u00f3lida para testes de hip\u00f3teses relacionados a vari\u00e2ncias de amostras, com utilidades que se estendem al\u00e9m dos exemplos mencionados, abrangendo diversas situa\u00e7\u00f5es onde an\u00e1lises estat\u00edsticas s\u00e3o necess\u00e1rias.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Devolve a distribui\u00e7\u00e3o da probabilidade F<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[442],"tags":[],"class_list":["post-10884","post","type-post","status-publish","format-standard","hentry","category-estatistica"],"acf":[],"yoast_head":"\nFun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) no Excel \u2013 como funciona, exemplos e sintaxe<\/title>\n<meta name=\"description\" content=\"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) do Excel. Sintaxe, par\u00e2metros e exemplos pr\u00e1ticos de uso.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) no Excel \u2013 como funciona, exemplos e sintaxe\" \/>\n<meta property=\"og:description\" content=\"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) do Excel. Sintaxe, par\u00e2metros e exemplos pr\u00e1ticos de uso.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/\" \/>\n<meta property=\"og:site_name\" content=\"Function Translator\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-15T13:34:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-02-25T17:19:09+00:00\" \/>\n<meta name=\"author\" content=\"glavadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) no Excel \u2013 como funciona, exemplos e sintaxe\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"glavadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/\",\"url\":\"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/\",\"name\":\"Fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) no Excel \u2013 como funciona, exemplos e sintaxe\",\"isPartOf\":{\"@id\":\"https:\/\/functiontranslator.com\/no\/#website\"},\"datePublished\":\"2025-07-15T13:34:50+00:00\",\"dateModified\":\"2021-02-25T17:19:09+00:00\",\"author\":{\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389\"},\"description\":\"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) do Excel. Sintaxe, par\u00e2metros e exemplos pr\u00e1ticos de uso.\",\"breadcrumb\":{\"@id\":\"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Fun\u00e7\u00f5es do Excel\",\"item\":\"https:\/\/functiontranslator.com\/pt-pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Estat\u00edstica\",\"item\":\"https:\/\/functiontranslator.com\/pt-pt\/estatistica\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"DIST.F.DIR\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#website\",\"url\":\"https:\/\/functiontranslator.com\/no\/\",\"name\":\"Function Translator\",\"description\":\"Excel function translator\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/functiontranslator.com\/no\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389\",\"name\":\"glavadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g\",\"caption\":\"glavadmin\"},\"sameAs\":[\"https:\/\/functiontranslator.com\"],\"url\":\"https:\/\/functiontranslator.com\/pt-pt\/author\/glavadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) no Excel \u2013 como funciona, exemplos e sintaxe","description":"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) do Excel. Sintaxe, par\u00e2metros e exemplos pr\u00e1ticos de uso.","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:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/","og_locale":"pt_PT","og_type":"article","og_title":"Fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) no Excel \u2013 como funciona, exemplos e sintaxe","og_description":"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) do Excel. Sintaxe, par\u00e2metros e exemplos pr\u00e1ticos de uso.","og_url":"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/","og_site_name":"Function Translator","article_published_time":"2025-07-15T13:34:50+00:00","article_modified_time":"2021-02-25T17:19:09+00:00","author":"glavadmin","twitter_card":"summary_large_image","twitter_title":"Fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) no Excel \u2013 como funciona, exemplos e sintaxe","twitter_misc":{"Escrito por":"glavadmin","Tempo estimado de leitura":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/","url":"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/","name":"Fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) no Excel \u2013 como funciona, exemplos e sintaxe","isPartOf":{"@id":"https:\/\/functiontranslator.com\/no\/#website"},"datePublished":"2025-07-15T13:34:50+00:00","dateModified":"2021-02-25T17:19:09+00:00","author":{"@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389"},"description":"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o F.DIST.RT (DIST.F.DIR) do Excel. Sintaxe, par\u00e2metros e exemplos pr\u00e1ticos de uso.","breadcrumb":{"@id":"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/functiontranslator.com\/pt-pt\/f-dist-rt\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Fun\u00e7\u00f5es do Excel","item":"https:\/\/functiontranslator.com\/pt-pt\/"},{"@type":"ListItem","position":2,"name":"Estat\u00edstica","item":"https:\/\/functiontranslator.com\/pt-pt\/estatistica\/"},{"@type":"ListItem","position":3,"name":"DIST.F.DIR"}]},{"@type":"WebSite","@id":"https:\/\/functiontranslator.com\/no\/#website","url":"https:\/\/functiontranslator.com\/no\/","name":"Function Translator","description":"Excel function translator","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/functiontranslator.com\/no\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-PT"},{"@type":"Person","@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389","name":"glavadmin","image":{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g","caption":"glavadmin"},"sameAs":["https:\/\/functiontranslator.com"],"url":"https:\/\/functiontranslator.com\/pt-pt\/author\/glavadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/functiontranslator.com\/pt-pt\/wp-json\/wp\/v2\/posts\/10884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/functiontranslator.com\/pt-pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/functiontranslator.com\/pt-pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/functiontranslator.com\/pt-pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/functiontranslator.com\/pt-pt\/wp-json\/wp\/v2\/comments?post=10884"}],"version-history":[{"count":1,"href":"https:\/\/functiontranslator.com\/pt-pt\/wp-json\/wp\/v2\/posts\/10884\/revisions"}],"predecessor-version":[{"id":25713,"href":"https:\/\/functiontranslator.com\/pt-pt\/wp-json\/wp\/v2\/posts\/10884\/revisions\/25713"}],"wp:attachment":[{"href":"https:\/\/functiontranslator.com\/pt-pt\/wp-json\/wp\/v2\/media?parent=10884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/functiontranslator.com\/pt-pt\/wp-json\/wp\/v2\/categories?post=10884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/functiontranslator.com\/pt-pt\/wp-json\/wp\/v2\/tags?post=10884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}