{"id":11166,"date":"2025-07-15T13:34:51","date_gmt":"2025-07-15T13:34:51","guid":{"rendered":"https:\/\/functiontranslator.com\/media-interna\/"},"modified":"2021-02-25T17:32:07","modified_gmt":"2021-02-25T17:32:07","slug":"trimmean","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/pt-pt\/trimmean\/","title":{"rendered":"M\u00c9DIA.INTERNA"},"content":{"rendered":"

A fun\u00e7\u00e3o M\u00c9DIA.INTERNA \u00e9 utilizada no Microsoft Excel e no Google Planilhas para calcular a m\u00e9dia de um conjunto de dados, excluindo uma percentagem espec\u00edfica dos dados extremos da amostra. Essa fun\u00e7\u00e3o \u00e9 especialmente \u00fatil para eliminar outliers que podem afetar a m\u00e9dia de um conjunto de dados de maneira significativa.<\/p>\n

Sintaxe da Fun\u00e7\u00e3o<\/h2>\n

No Excel e no Google Planilhas, a fun\u00e7\u00e3o M\u00c9DIA.INTERNA \u00e9 definida pela seguinte sintaxe:<\/p>\n

M\u00c9DIA.INTERNA(matriz; percentil)<\/code><\/pre>\n
    \n
  • matriz:<\/strong> refere-se ao intervalo ou conjunto de dados a partir dos quais a m\u00e9dia ser\u00e1 calculada.<\/li>\n
  • percentil:<\/strong> indica a fra\u00e7\u00e3o dos dados a ser exclu\u00edda de cada extremo da amostra. Por exemplo, ao especificar 0.1, 10% dos dados s\u00e3o exclu\u00eddos, sendo 5% dos valores mais baixos e 5% dos mais altos.<\/li>\n<\/ul>\n
    Exemplos Pr\u00e1ticos<\/h2>\n
    Exemplo 1: A empresa Org\u00e2nicos Santos registou as seguintes vendas em unidades ao longo de 20 dias:<\/p>\n
    120, 135, 150, 160, 180, 196, 210, 200, 190, 220, 240, 230, 210, 205, 198, 165, 150, 180, 170, 300<\/code><\/pre>\n
    Para calcular uma m\u00e9dia de vendas que elimine varia\u00e7\u00f5es extremas, utilizamos a fun\u00e7\u00e3o M\u00c9DIA.INTERNA:<\/p>\n
    =M\u00c9DIA.INTERNA(A1:T1; 0.1)<\/code><\/pre>\n
    Este c\u00e1lculo exclui os 2 valores mais altos e os 2 mais baixos (10% de 20), baseando-se nos 16 valores restantes para a m\u00e9dia. Sup\u00f5e-se que o conjunto de dados esteja disposto da c\u00e9lula A1 at\u00e9 a c\u00e9lula T1.<\/p>\n
    Exemplo 2: Em um laborat\u00f3rio de pesquisa, foram registradas as seguintes dura\u00e7\u00f5es de uma rea\u00e7\u00e3o qu\u00edmica (em segundos):<\/p>\n
    32, 34, 35, 45, 55, 60, 72, 70, 68, 65, 60, 57, 55, 54, 44, 40, 38, 35, 33, 30<\/code><\/pre>\n
    Para analisar a m\u00e9dia de tempo desconsiderando os extremos, emprega-se novamente a fun\u00e7\u00e3o M\u00c9DIA.INTERNA, mas com exclus\u00e3o de 20% dos dados, para um c\u00e1lculo mais rigoroso.<\/p>\n
    =M\u00c9DIA.INTERNA(A1:T1; 0.2)<\/code><\/pre>\n
    Esse c\u00e1lculo remove 4 valores de cada extremo (20% de 20), resultando numa m\u00e9dia calculada a partir dos 12 valores centrais.<\/p>\n
    Potenciais Usos no Mundo Real<\/h2>\n
    O uso da fun\u00e7\u00e3o M\u00c9DIA.INTERNA pode ser extremamente ben\u00e9fico em variados contextos, como:<\/p>\n
      \n
    • Avalia\u00e7\u00e3o de desempenho esportivo, descartando as piores e melhores performances.<\/li>\n
    • An\u00e1lises financeiras para calcular a m\u00e9dia de retornos de investimentos, excluindo os extremos do mercado.<\/li>\n
    • Estudos clim\u00e1ticos, onde se faz necess\u00e1rio analisar temperaturas m\u00e9dias eliminando dias at\u00edpicos de frio ou calor excessivo.<\/li>\n<\/ul>\n
       Este exemplo aborda a aplica\u00e7\u00e3o da fun\u00e7\u00e3o M\u00c9DIA.INTERNA\/TRIMMEAN para minimizar distor\u00e7\u00f5es em an\u00e1lises de dados por conta de valores extremos, oferecendo orienta\u00e7\u00f5es pr\u00e1ticas aplic\u00e1veis em diversas \u00e1reas.<\/p>\n","protected":false},"excerpt":{"rendered":"
      Devolve a m\u00e9dia do interior de um conjunto de dados<\/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-11166","post","type-post","status-publish","format-standard","hentry","category-estatistica"],"acf":[],"yoast_head":"\nFun\u00e7\u00e3o TRIMMEAN (M\u00c9DIA.INTERNA) no Excel \u2013 como funciona, exemplos e sintaxe<\/title>\n<meta name=\"description\" content=\"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o TRIMMEAN (M\u00c9DIA.INTERNA) do Excel. 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