{"id":1436,"date":"2023-07-26T09:47:57","date_gmt":"2023-07-26T09:47:57","guid":{"rendered":"https:\/\/statorials.org\/pt\/valor-p-planilhas-do-google\/"},"modified":"2023-07-26T09:47:57","modified_gmt":"2023-07-26T09:47:57","slug":"valor-p-planilhas-do-google","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/valor-p-planilhas-do-google\/","title":{"rendered":"Como encontrar valores p no planilhas google (passo a passo)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">A maneira mais f\u00e1cil de calcular valores p no Planilhas Google \u00e9 usar a fun\u00e7\u00e3o <strong>T.TEST()<\/strong> , que encontra o valor p associado a um teste t e usa a seguinte sintaxe:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>T.TEST (faixa 1, faixa 2, coroa, tipo)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Ouro:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>range1:<\/strong> a primeira amostra de dados<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>range2:<\/strong> a segunda amostra de dados<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>caudas:<\/strong> o n\u00famero de caudas a serem usadas para o teste<\/span>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>1:<\/strong> Teste t unicaudal (ou \u201cunicaudal\u201d)<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>2:<\/strong> Teste t bicaudal (ou \u201cbicaudal)<\/span><\/li>\n<\/ul>\n<\/li>\n<li> <span style=\"color: #000000;\"><strong>tipo:<\/strong> O tipo de teste t<\/span>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>1:<\/strong> Teste t pareado<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>2:<\/strong> Teste t de duas amostras com vari\u00e2ncia igual<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>3:<\/strong> Teste t de duas amostras com vari\u00e2ncia desigual<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Esta fun\u00e7\u00e3o retorna o valor p que corresponde ao teste t.<\/span><\/p>\n<p> <span style=\"color: #000000;\">O exemplo passo a passo a seguir mostra como usar esta fun\u00e7\u00e3o na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 1: crie os dados<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Primeiro, vamos criar um conjunto de dados falso contendo a altura de duas esp\u00e9cies de plantas diferentes:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14217 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pvaluefeuilles1.png\" alt=\"\" width=\"420\" height=\"468\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 2: calcular o valor P do teste t<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A seguir, digamos que queremos realizar um teste t para determinar se a altura m\u00e9dia entre as duas esp\u00e9cies de plantas \u00e9 igual.<\/span><\/p>\n<p> <span style=\"color: #000000;\">As capturas de tela a seguir mostram as f\u00f3rmulas a serem usadas para calcular os valores p do teste.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Teste t de amostras pareadas<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Podemos usar a seguinte f\u00f3rmula para calcular o valor p para um <a href=\"https:\/\/statorials.org\/pt\/teste-t-de-amostras-pareadas\/\" target=\"_blank\" rel=\"noopener\">teste t de amostras pareadas<\/a> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14218 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pvaluefeuilles2.png\" alt=\"Valor P no Planilhas Google\" width=\"469\" height=\"394\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O valor p acaba sendo <strong>0,1586<\/strong> . Como n\u00e3o \u00e9 inferior a \u03b1 = 0,05, n\u00e3o rejeitamos a hip\u00f3tese nula do teste. N\u00e3o temos evid\u00eancias suficientes para afirmar que a altura m\u00e9dia entre as duas esp\u00e9cies seja diferente.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Teste t de duas amostras com vari\u00e2ncia igual<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Podemos usar a seguinte f\u00f3rmula para calcular o valor p para um teste t de duas amostras com vari\u00e2ncia igual:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14219 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pvaluefeuilles3.png\" alt=\"Teste t de valor P do Planilhas Google\" width=\"470\" height=\"427\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O valor p acaba sendo <strong>0,5300<\/strong> . Como n\u00e3o \u00e9 inferior a \u03b1 = 0,05, n\u00e3o rejeitamos a hip\u00f3tese nula do teste. N\u00e3o temos evid\u00eancias suficientes para afirmar que a altura m\u00e9dia entre as duas esp\u00e9cies seja diferente.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Teste t de duas amostras com vari\u00e2ncia desigual<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Podemos usar a seguinte f\u00f3rmula para calcular o valor p para um teste t de duas amostras com vari\u00e2ncia desigual:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14220 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pvaluefeuilles4.png\" alt=\"Exemplo de valor P no Planilhas Google\" width=\"471\" height=\"403\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O valor p acaba sendo <strong>0,5302<\/strong> . Como n\u00e3o \u00e9 inferior a \u03b1 = 0,05, n\u00e3o rejeitamos a hip\u00f3tese nula do teste. N\u00e3o temos evid\u00eancias suficientes para afirmar que a altura m\u00e9dia entre as duas esp\u00e9cies seja diferente.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/p-valores-significancia-estatistica\/\" target=\"_blank\" rel=\"noopener\">Uma explica\u00e7\u00e3o dos valores P e signific\u00e2ncia estat\u00edstica<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/nao-teste-as-planilhas-do-google\/\" target=\"_blank\" rel=\"noopener\">Como realizar testes t no Planilhas Google<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/planilhas-google-anova-unidirecional\/\" target=\"_blank\" rel=\"noopener\">Como realizar ANOVA unidirecional no Planilhas Google<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A maneira mais f\u00e1cil de calcular valores p no Planilhas Google \u00e9 usar a fun\u00e7\u00e3o T.TEST() , que encontra o valor p associado a um teste t e usa a seguinte sintaxe: T.TEST (faixa 1, faixa 2, coroa, tipo) Ouro: range1: a primeira amostra de dados range2: a segunda amostra de dados caudas: o n\u00famero [&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-1436","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - 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