{"id":3111,"date":"2023-07-19T04:08:32","date_gmt":"2023-07-19T04:08:32","guid":{"rendered":"https:\/\/statorials.org\/pt\/media-do-excel-excluindo-outliers\/"},"modified":"2023-07-19T04:08:32","modified_gmt":"2023-07-19T04:08:32","slug":"media-do-excel-excluindo-outliers","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/media-do-excel-excluindo-outliers\/","title":{"rendered":"Excel: como calcular a m\u00e9dia excluindo outliers"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><span style=\"color: #000000;\">Existem duas maneiras de calcular uma m\u00e9dia e excluir valores discrepantes no Excel:<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. Calcule a m\u00e9dia e use TRIMMEAN para excluir valores discrepantes<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2. Calcule a m\u00e9dia e use o intervalo interquartil para excluir valores discrepantes<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Usaremos o seguinte conjunto de dados no Excel para ilustrar como usar os dois m\u00e9todos:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9493 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/valeur-aberranteexcel1.png\" alt=\"\" width=\"396\" height=\"455\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: Calcule a m\u00e9dia e use TRIMMEAN para excluir valores discrepantes<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A fun\u00e7\u00e3o <strong>TRIMMEAN<\/strong> no Excel pode ser usada para calcular a m\u00e9dia de um intervalo de valores, excluindo uma certa porcentagem de observa\u00e7\u00f5es da parte superior e inferior do conjunto de dados.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, podemos usar a seguinte f\u00f3rmula para calcular o valor m\u00e9dio na coluna A excluindo um total de 20% das observa\u00e7\u00f5es (10% superiores e 10% inferiores):<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 17px;\"> <strong>=TRIMMEAN( <span style=\"color: #3366ff;\">A2:A16<\/span> , 20%)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Como temos 15 valores em nosso conjunto de dados, 10% \u00e9 igual a 1,5, que \u00e9 arredondado para 1. Portanto, esta f\u00f3rmula calcular\u00e1 a m\u00e9dia dos valores no intervalo, excluindo o menor valor e o maior valor:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-26543 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/moyenneexclure1.jpg\" alt=\"\" width=\"451\" height=\"453\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">A m\u00e9dia, excluindo valores discrepantes, \u00e9 <strong>58,30769<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: Calcular a m\u00e9dia e usar o intervalo interquartil para excluir valores discrepantes<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O <a href=\"https:\/\/statorials.org\/pt\/intervalo-interquartil-excel\/\" target=\"_blank\" rel=\"noopener\">intervalo interquartil<\/a> (IQR) \u00e9 a diferen\u00e7a entre o percentil 75 (Q3) e o percentil 25 (Q1) em um conjunto de dados. Mede a distribui\u00e7\u00e3o da m\u00e9dia de 50% dos valores.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Podemos definir uma observa\u00e7\u00e3o como outlier se for 1,5 vezes o intervalo interquartil acima do terceiro quartil (Q3) ou 1,5 vezes o intervalo interquartil abaixo do primeiro quartil (Q1).<\/span><\/p>\n<p> <span style=\"color: #000000;\">Podemos usar a seguinte f\u00f3rmula para calcular o intervalo interquartil do nosso conjunto de dados no Excel:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 17px;\"> <b>=QUARTILE( <span style=\"color: #3366ff;\">A2:A16,3<\/span> )-QUARTILE( <span style=\"color: #3366ff;\">A2:A16,1<\/span> )<\/b><\/pre>\n<p> <span style=\"color: #000000;\">A captura de tela a seguir mostra como usar esta f\u00f3rmula:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9494 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/valeur-aberranteexcel2.png\" alt=\"\" width=\"450\" height=\"423\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Em seguida, podemos usar a seguinte f\u00f3rmula para usar o IQR para identificar valores discrepantes e atribuir um &#8220;1&#8221; a qualquer valor que seja um valor discrepante no conjunto de dados:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 17px;\"> <b>=IF(OR( <span style=\"color: #3366ff;\">A2<\/span> &lt;QUARTILE( <span style=\"color: #ff0000;\">$A$2:$A$16<\/span> ,1)-1.5* <span style=\"color: #800080;\">$B$18<\/span> , <span style=\"color: #3366ff;\">A2<\/span> &gt;QUARTILE( <span style=\"color: #ff0000;\">$A$2:$A$16<\/span> ,3)+1.5* <span style=\"color: #800080;\">$B$18<\/span> ),1, 0)<\/b><\/pre>\n<p> <span style=\"color: #000000;\">A captura de tela a seguir mostra como usar esta f\u00f3rmula:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9495 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/valeur-aberranteexcel3.png\" alt=\"Encontre valores discrepantes no Excel\" width=\"606\" height=\"405\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Vemos que apenas um valor \u2013 <strong>164<\/strong> \u2013 acaba sendo um valor discrepante neste conjunto de dados.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Finalmente, podemos usar a seguinte f\u00f3rmula para calcular a m\u00e9dia de todos os valores no conjunto de dados que n\u00e3o s\u00e3o discrepantes:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 17px;\"> <b>=AVERAGEIF( <span style=\"color: #3366ff;\">B2:B16<\/span> , 0, <span style=\"color: #ff0000;\">A2:A16<\/span> )\n<\/b><\/pre>\n<p> <span style=\"color: #000000;\">A captura de tela a seguir mostra como usar esta f\u00f3rmula:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-26544\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/moyenneexclure2.jpg\" alt=\"Excel calcula a m\u00e9dia excluindo valores discrepantes\" width=\"505\" height=\"487\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">A m\u00e9dia, excluindo valores discrepantes, \u00e9 <strong>55,42857<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como realizar outras tarefas comuns no Excel:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/intervalo-interquartil-excel\/\" target=\"_blank\" rel=\"noopener\">Como calcular o intervalo interquartil (IQR) no Excel<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/media-excel-por-grupo\/\" target=\"_blank\" rel=\"noopener\">Como calcular a m\u00e9dia por grupo no Excel<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/media-movel-ponderada-excel\/\" target=\"_blank\" rel=\"noopener\">Como calcular m\u00e9dias m\u00f3veis ponderadas no Excel<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Existem duas maneiras de calcular uma m\u00e9dia e excluir valores discrepantes no Excel: 1. Calcule a m\u00e9dia e use TRIMMEAN para excluir valores discrepantes 2. Calcule a m\u00e9dia e use o intervalo interquartil para excluir valores discrepantes Usaremos o seguinte conjunto de dados no Excel para ilustrar como usar os dois m\u00e9todos: M\u00e9todo 1: Calcule [&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-3111","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>Excel: Como calcular a m\u00e9dia excluindo outliers - Statorials<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como calcular uma m\u00e9dia no Excel e excluir valores discrepantes, com um exemplo.\" \/>\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\/media-do-excel-excluindo-outliers\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Excel: Como calcular a m\u00e9dia excluindo outliers - Statorials\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como calcular uma m\u00e9dia no Excel e excluir valores discrepantes, com um exemplo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/media-do-excel-excluindo-outliers\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-19T04:08:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/valeur-aberranteexcel1.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\/media-do-excel-excluindo-outliers\/\",\"url\":\"https:\/\/statorials.org\/pt\/media-do-excel-excluindo-outliers\/\",\"name\":\"Excel: Como calcular a m\u00e9dia excluindo outliers - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-19T04:08:32+00:00\",\"dateModified\":\"2023-07-19T04:08:32+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como calcular uma m\u00e9dia no Excel e excluir valores discrepantes, com um exemplo.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/media-do-excel-excluindo-outliers\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/media-do-excel-excluindo-outliers\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/media-do-excel-excluindo-outliers\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Excel: como calcular a m\u00e9dia excluindo outliers\"}]},{\"@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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