{"id":4743,"date":"2023-07-08T09:55:05","date_gmt":"2023-07-08T09:55:05","guid":{"rendered":"https:\/\/statorials.org\/pt\/excel-calcular-2-desvios-padrao\/"},"modified":"2023-07-08T09:55:05","modified_gmt":"2023-07-08T09:55:05","slug":"excel-calcular-2-desvios-padrao","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/excel-calcular-2-desvios-padrao\/","title":{"rendered":"Como calcular 2 desvios padr\u00e3o no excel"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte f\u00f3rmula para calcular o valor de dois desvios padr\u00e3o no Excel:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 17px;\"> <strong>=2*STDEV( <span style=\"color: #3366ff;\">A2:A14<\/span> )\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Este exemplo espec\u00edfico calcula o valor de dois desvios padr\u00e3o para valores no intervalo de c\u00e9lulas <strong>A2:A14<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">O motivo pelo qual voc\u00ea pode estar interessado em calcular esse valor \u00e9 que, nas estat\u00edsticas, a <strong>regra geral<\/strong> afirma que, para um determinado conjunto de dados com distribui\u00e7\u00e3o normal, aproximadamente 95% de todos os valores dos dados est\u00e3o dentro de dois tipos de desvios m\u00e9dios.<\/span><\/p>\n<p> <span style=\"color: #000000;\">O exemplo a seguir mostra como calcular de forma pr\u00e1tica dois desvios padr\u00e3o no Excel.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo: calcule 2 desvios padr\u00e3o no Excel<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte conjunto de dados no Excel:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-37026 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deux1.png\" alt=\"\" width=\"439\" height=\"391\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Podemos usar as seguintes f\u00f3rmulas em v\u00e1rias c\u00e9lulas para calcular a m\u00e9dia, o valor de dois desvios padr\u00e3o e os valores que est\u00e3o dois desvios padr\u00e3o abaixo e acima da m\u00e9dia:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">D1: <strong>= M\u00c9DIA (A2: A14)<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">D2: <strong>=2*ETDEV(A2:A14)<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">D3: <strong>=D1-D2<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">D4: <strong>=D1+D2<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">A captura de tela a seguir mostra como usar essas f\u00f3rmulas na pr\u00e1tica:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-37027\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deux2.png\" alt=\"como calcular dois desvios padr\u00e3o no Excel\" width=\"521\" height=\"405\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Pelo resultado podemos ver:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">O valor m\u00e9dio do conjunto de dados \u00e9 <strong>77,07<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">O valor de dois desvios padr\u00e3o \u00e9 <strong>16,03<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">O valor que est\u00e1 dois desvios padr\u00e3o abaixo da m\u00e9dia \u00e9 <strong>61,0465<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">O valor que est\u00e1 dois desvios padr\u00e3o acima da m\u00e9dia \u00e9 <strong>93,1073<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Supondo que esta amostra de dados seja representativa da popula\u00e7\u00e3o maior da qual ela vem e que os valores dessa popula\u00e7\u00e3o sejam normalmente distribu\u00eddos, assumir\u00edamos que 95% de todos os valores de dados dessa popula\u00e7\u00e3o est\u00e3o entre <strong>61,0465<\/strong> e <strong>93,1073<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Observa\u00e7\u00e3o<\/strong> : se voc\u00ea quiser calcular tr\u00eas desvios padr\u00e3o, basta substituir o <strong>2<\/strong> na f\u00f3rmula da c\u00e9lula <strong>E2<\/strong> por <strong>3<\/strong> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como realizar outras opera\u00e7\u00f5es comuns no Excel:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/pt\/media-do-grafico-do-excel-e-desvio-padrao\/\" target=\"_blank\" rel=\"noopener\">Como tra\u00e7ar m\u00e9dia e desvio padr\u00e3o no Excel<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/excel-desvio-padrao-se\/\" target=\"_blank\" rel=\"noopener\">Como realizar um c\u00e1lculo de desvio padr\u00e3o IF no Excel<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/desvio-padrao-ponderado-excel\/\" target=\"_blank\" rel=\"noopener\">Como calcular o desvio padr\u00e3o ponderado no Excel<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte f\u00f3rmula para calcular o valor de dois desvios padr\u00e3o no Excel: =2*STDEV( A2:A14 ) Este exemplo espec\u00edfico calcula o valor de dois desvios padr\u00e3o para valores no intervalo de c\u00e9lulas A2:A14 . O motivo pelo qual voc\u00ea pode estar interessado em calcular esse valor \u00e9 que, nas estat\u00edsticas, a regra [&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-4743","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>Como calcular 2 desvios padr\u00e3o no Excel - Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como calcular 2 desvios padr\u00e3o no Excel, com um exemplo completo.\" \/>\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\/excel-calcular-2-desvios-padrao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como calcular 2 desvios padr\u00e3o no Excel - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como calcular 2 desvios padr\u00e3o no Excel, com um exemplo completo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/excel-calcular-2-desvios-padrao\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-08T09:55:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deux1.png\" \/>\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=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/excel-calcular-2-desvios-padrao\/\",\"url\":\"https:\/\/statorials.org\/pt\/excel-calcular-2-desvios-padrao\/\",\"name\":\"Como calcular 2 desvios padr\u00e3o no Excel - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-08T09:55:05+00:00\",\"dateModified\":\"2023-07-08T09:55:05+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como calcular 2 desvios padr\u00e3o no Excel, com um exemplo completo.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/excel-calcular-2-desvios-padrao\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/excel-calcular-2-desvios-padrao\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/excel-calcular-2-desvios-padrao\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como calcular 2 desvios padr\u00e3o no excel\"}]},{\"@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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