{"id":1057,"date":"2023-07-27T19:54:29","date_gmt":"2023-07-27T19:54:29","guid":{"rendered":"https:\/\/statorials.org\/pt\/coeficiente-de-variacao-planilhas-do-google\/"},"modified":"2023-07-27T19:54:29","modified_gmt":"2023-07-27T19:54:29","slug":"coeficiente-de-variacao-planilhas-do-google","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/coeficiente-de-variacao-planilhas-do-google\/","title":{"rendered":"Como calcular o coeficiente de varia\u00e7\u00e3o no planilhas google"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Um <strong>coeficiente de varia\u00e7\u00e3o<\/strong> , muitas vezes abreviado para <em>CV<\/em> , \u00e9 uma forma de medir a dispers\u00e3o dos valores em um conjunto de dados em rela\u00e7\u00e3o \u00e0 m\u00e9dia. \u00c9 calculado da seguinte forma:<\/span><\/p>\n<p> <strong><span style=\"color: #000000;\">CV=\u03c3\/\u03bc<\/span><\/strong><\/p>\n<p> <span style=\"color: #000000;\">Ouro:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\u03c3:<\/strong> o desvio padr\u00e3o do conjunto de dados<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\u03bc:<\/strong> a m\u00e9dia do conjunto de dados<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Simplificando, o coeficiente de varia\u00e7\u00e3o \u00e9 simplesmente a raz\u00e3o entre o desvio padr\u00e3o e a m\u00e9dia.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Quando usar o coeficiente de varia\u00e7\u00e3o<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O coeficiente de varia\u00e7\u00e3o \u00e9 frequentemente usado para comparar a varia\u00e7\u00e3o entre dois conjuntos diferentes de dados.<\/span><\/p>\n<p> <span style=\"color: #000000;\">No mundo real, \u00e9 frequentemente utilizado em finan\u00e7as para comparar o retorno m\u00e9dio esperado de um investimento com o desvio padr\u00e3o esperado do investimento. Isso permite que os investidores comparem a compensa\u00e7\u00e3o risco-retorno entre os investimentos.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, suponha que um investidor esteja pensando em investir nos dois fundos m\u00fatuos a seguir:<\/span><\/p>\n<p> <span style=\"color: #000000;\">Fundo M\u00fatuo A: m\u00e9dia = 7%, desvio padr\u00e3o = 12,4%<\/span><\/p>\n<p> <span style=\"color: #000000;\">OICVM B: m\u00e9dia = 5%, desvio padr\u00e3o = 8,2%<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ao calcular o coeficiente de varia\u00e7\u00e3o de cada fundo, o investidor observa:<\/span><\/p>\n<p> <span style=\"color: #000000;\">CV para fundo m\u00fatuo A = 12,4% \/ 7% = <strong>1,77<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">CV para fundo m\u00fatuo B = 8,2% \/ 5% = <strong>1,64<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Como o Fundo M\u00fatuo B tem um coeficiente de varia\u00e7\u00e3o menor, proporciona um melhor retorno m\u00e9dio em rela\u00e7\u00e3o ao desvio padr\u00e3o.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo: c\u00e1lculo do coeficiente de varia\u00e7\u00e3o no Planilhas Google<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">N\u00e3o existe uma fun\u00e7\u00e3o integrada no Planilhas Google para calcular o coeficiente de varia\u00e7\u00e3o de um conjunto de dados, mas \u00e9 relativamente f\u00e1cil de calcular usando f\u00f3rmulas simples.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte conjunto de dados contendo 20 valores:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10915 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cvfeuilles1-1.png\" alt=\"\" width=\"456\" height=\"528\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Para calcular o coeficiente de varia\u00e7\u00e3o deste conjunto de dados, voc\u00ea s\u00f3 precisa conhecer dois n\u00fameros: a m\u00e9dia e o desvio padr\u00e3o. Eles podem ser calculados usando as seguintes f\u00f3rmulas:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10916 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cvfeuilles2.png\" alt=\"\" width=\"489\" height=\"439\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Para calcular o coeficiente de varia\u00e7\u00e3o, dividimos ent\u00e3o o desvio padr\u00e3o pela m\u00e9dia:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10917 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cvfeuilles3.png\" alt=\"Coeficiente de varia\u00e7\u00e3o no Planilhas Google\" width=\"539\" height=\"449\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O coeficiente de varia\u00e7\u00e3o acaba sendo <strong>0,0864<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/coeficiente-de-variacao-excel\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como calcular o coeficiente de varia\u00e7\u00e3o no Excel<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/coeficiente-de-variacao-spss\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como calcular o coeficiente de varia\u00e7\u00e3o no SPSS<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um coeficiente de varia\u00e7\u00e3o , muitas vezes abreviado para CV , \u00e9 uma forma de medir a dispers\u00e3o dos valores em um conjunto de dados em rela\u00e7\u00e3o \u00e0 m\u00e9dia. \u00c9 calculado da seguinte forma: CV=\u03c3\/\u03bc Ouro: \u03c3: o desvio padr\u00e3o do conjunto de dados \u03bc: a m\u00e9dia do conjunto de dados Simplificando, o coeficiente de [&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-1057","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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