{"id":4002,"date":"2023-07-14T06:05:22","date_gmt":"2023-07-14T06:05:22","guid":{"rendered":"https:\/\/statorials.org\/pt\/excel-encontrar-e-interceptar\/"},"modified":"2023-07-14T06:05:22","modified_gmt":"2023-07-14T06:05:22","slug":"excel-encontrar-e-interceptar","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/excel-encontrar-e-interceptar\/","title":{"rendered":"Como encontrar a intercepta\u00e7\u00e3o y de um gr\u00e1fico no excel"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">A <strong>intercepta\u00e7\u00e3o<\/strong> y de um gr\u00e1fico representa o ponto onde uma linha cruza o eixo y quando x \u00e9 zero.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Para encontrar a intercepta\u00e7\u00e3o y de uma linha no Excel, podemos usar a fun\u00e7\u00e3o <strong>INTERCEPT<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Esta fun\u00e7\u00e3o usa a seguinte sintaxe:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>INTERCEPT (conhecido_y, conhecido_x)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Ouro:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>val_conhecidos_y<\/strong> : o intervalo de valores de y<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>val_conhecidos_x<\/strong> : o intervalo de valores de x<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">O exemplo a seguir mostra como usar esta fun\u00e7\u00e3o na pr\u00e1tica para calcular a intercepta\u00e7\u00e3o y de um gr\u00e1fico no Excel.<\/span><\/p>\n<h2> <strong><span style=\"color: #000000;\">Etapa 1: crie os dados<\/span><\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Primeiro, vamos criar um conjunto de dados com duas vari\u00e1veis no Excel:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-31998 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/corrgraph1.jpg\" alt=\"\" width=\"441\" height=\"468\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Etapa 2: Calcule o valor Y original<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">A seguir, vamos digitar a seguinte f\u00f3rmula na c\u00e9lula <strong>E1<\/strong> para calcular a intercepta\u00e7\u00e3o deste conjunto de dados:<\/span><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 17px;\"> <strong>=INTERCEPT( <span style=\"color: #3366ff;\">B2:B21<\/span> , <span style=\"color: #ff0000;\">A2:A21<\/span> )<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">A captura de tela a seguir mostra como usar esta f\u00f3rmula na pr\u00e1tica:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-32006 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/yint1.jpg\" alt=\"\" width=\"483\" height=\"521\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Na sa\u00edda, podemos ver que a intercepta\u00e7\u00e3o y \u00e9 <strong>12.46176<\/strong> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Etapa 3: visualize o valor Y original<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Para visualizar o valor do intercepto, podemos criar um gr\u00e1fico de dispers\u00e3o e adicionar uma linha de tend\u00eancia.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Para isso, destaque os valores no intervalo <strong>A2:B21<\/strong> , depois clique na aba <strong>Inserir<\/strong> , depois clique em <strong>Inserir gr\u00e1fico de dispers\u00e3o (X,Y)<\/strong> no grupo <strong>Gr\u00e1ficos<\/strong> e clique na primeira op\u00e7\u00e3o para criar uma nuvem A de pontos:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13892 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/lignereg2.png\" alt=\"\" width=\"455\" height=\"481\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O seguinte gr\u00e1fico de dispers\u00e3o aparecer\u00e1:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-31999 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/corrgraph2.jpg\" alt=\"\" width=\"659\" height=\"455\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Em seguida, clique no sinal de mais verde no canto superior direito do gr\u00e1fico, depois clique na seta ao lado de <strong>Linha de tend\u00eancia<\/strong> e clique em <strong>Mais op\u00e7\u00f5es<\/strong> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-32007 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/yint2.jpg\" alt=\"\" width=\"680\" height=\"385\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">No painel <strong>Formatar linha de tend\u00eancia<\/strong> que aparece no lado direito da tela, clique na op\u00e7\u00e3o Linha de tend\u00eancia <strong>linear<\/strong> e marque a caixa ao lado de <strong>Mostrar equa\u00e7\u00e3o no gr\u00e1fico<\/strong> :<\/span><\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-32008 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/yint3.jpg\" alt=\"\" width=\"322\" height=\"654\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">A linha de tend\u00eancia linear e a equa\u00e7\u00e3o da linha de tend\u00eancia linear ser\u00e3o exibidas no gr\u00e1fico:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-32009 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/yint4.jpg\" alt=\"\" width=\"572\" height=\"430\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">A partir do resultado, podemos ver a f\u00f3rmula para a linha de tend\u00eancia linear:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>y = 0,917x + 12,462<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Isto significa que quando x \u00e9 zero, o valor estimado de y (ou seja, a intercepta\u00e7\u00e3o) \u00e9 <strong>12,462<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Se imaginarmos que a linha de tend\u00eancia linear se estende totalmente para a esquerda at\u00e9 atingir o eixo y, parece de fato que a linha cruzaria o eixo y no valor de y = <strong>12,462<\/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 tarefas comuns no Excel:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/grafico-de-dispersao-da-matriz-do-excel\/\" target=\"_blank\" rel=\"noopener\">Como criar uma matriz de gr\u00e1fico de dispers\u00e3o no Excel<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/rotulos-de-grafico-de-dispersao-do-excel\/\" target=\"_blank\" rel=\"noopener\">Como adicionar r\u00f3tulos a pontos de gr\u00e1fico de dispers\u00e3o no Excel<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/grafico-de-dispersao-de-linha-horizontal-excel\/\" target=\"_blank\" rel=\"noopener\">Como adicionar uma linha horizontal a um gr\u00e1fico de dispers\u00e3o no Excel<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/grafico-de-dispersao-do-excel-varias-series\/\" target=\"_blank\" rel=\"noopener\">Como criar um gr\u00e1fico de dispers\u00e3o com m\u00faltiplas s\u00e9ries no Excel<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A intercepta\u00e7\u00e3o y de um gr\u00e1fico representa o ponto onde uma linha cruza o eixo y quando x \u00e9 zero. Para encontrar a intercepta\u00e7\u00e3o y de uma linha no Excel, podemos usar a fun\u00e7\u00e3o INTERCEPT . Esta fun\u00e7\u00e3o usa a seguinte sintaxe: INTERCEPT (conhecido_y, conhecido_x) Ouro: val_conhecidos_y : o intervalo de valores de y val_conhecidos_x [&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-4002","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 encontrar a intercepta\u00e7\u00e3o y de um gr\u00e1fico no Excel - Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como encontrar a intercepta\u00e7\u00e3o y de um gr\u00e1fico de linhas no Excel, com um exemplo passo a passo.\" \/>\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-encontrar-e-interceptar\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como encontrar a intercepta\u00e7\u00e3o y de um gr\u00e1fico no Excel - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como encontrar a intercepta\u00e7\u00e3o y de um gr\u00e1fico de linhas no Excel, com um exemplo passo a passo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/excel-encontrar-e-interceptar\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-14T06:05:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/corrgraph1.jpg\" \/>\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-encontrar-e-interceptar\/\",\"url\":\"https:\/\/statorials.org\/pt\/excel-encontrar-e-interceptar\/\",\"name\":\"Como encontrar a intercepta\u00e7\u00e3o y de um gr\u00e1fico no Excel - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-14T06:05:22+00:00\",\"dateModified\":\"2023-07-14T06:05:22+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como encontrar a intercepta\u00e7\u00e3o y de um gr\u00e1fico de linhas no Excel, com um exemplo passo a passo.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/excel-encontrar-e-interceptar\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/excel-encontrar-e-interceptar\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/excel-encontrar-e-interceptar\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como encontrar a intercepta\u00e7\u00e3o y de um gr\u00e1fico 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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