{"id":11035,"date":"2025-07-15T13:34:50","date_gmt":"2025-07-15T13:34:50","guid":{"rendered":"https:\/\/functiontranslator.com\/dist-s-norm\/"},"modified":"2021-02-25T17:25:31","modified_gmt":"2021-02-25T17:25:31","slug":"norm-s-dist","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/pt-pt\/norm-s-dist\/","title":{"rendered":"DIST.S.NORM"},"content":{"rendered":"

A fun\u00e7\u00e3o NORM.S.DIST<\/strong> no Microsoft Excel e DIST.S.NORM<\/strong> no Google Planilhas \u00e9 extremamente \u00fatil para an\u00e1lises estat\u00edsticas. Esta fun\u00e7\u00e3o calcula o valor da fun\u00e7\u00e3o de densidade de probabilidade (PDF) ou da fun\u00e7\u00e3o de distribui\u00e7\u00e3o cumulativa (CDF) da distribui\u00e7\u00e3o normal padr\u00e3o, que tem m\u00e9dia zero e desvio padr\u00e3o igual a um. \u00c9 aplic\u00e1vel em diversos contextos que envolvem a distribui\u00e7\u00e3o normal, como controle de qualidade e estat\u00edsticas descritivas.<\/p>\n

Sintaxe e exemplos de uso<\/h2>\n

No Excel, a sintaxe \u00e9:<\/p>\n

=NORM.S.DIST(z, cumulative)<\/code><\/pre>\n
No Google Planilhas, a sintaxe \u00e9 similar:<\/p>\n
=DIST.S.NORM(z, cumulative)<\/code><\/pre>\n
    \n
  • z<\/strong>: O valor ‘z’ representa a “pontua\u00e7\u00e3o padr\u00e3o”, ou seja, o n\u00famero de desvios padr\u00f5es que um ponto de dado est\u00e1 afastado da m\u00e9dia.<\/li>\n
  • cumulative<\/strong>: Um par\u00e2metro l\u00f3gico que determina o tipo de fun\u00e7\u00e3o a ser retornada. Se for VERDADEIRO, calcula a fun\u00e7\u00e3o de distribui\u00e7\u00e3o cumulativa; se FALSO, calcula a fun\u00e7\u00e3o de densidade de probabilidade.<\/li>\n<\/ul>\n
    Exemplos:<\/strong><\/p>\n\n\n\n\n
    Fun\u00e7\u00e3o<\/th>\nDescri\u00e7\u00e3o<\/th>\nResultado<\/th>\n<\/tr>\n
    =NORM.S.DIST(1, VERDADEIRO)<\/td>\nCalcula a CDF para z=1 na distribui\u00e7\u00e3o normal padr\u00e3o.<\/td>\n0.8413<\/td>\n<\/tr>\n
    =DIST.S.NORM(0, FALSO)<\/td>\nCalcula a PDF para z=0 na distribui\u00e7\u00e3o normal padr\u00e3o.<\/td>\n0.3989<\/td>\n<\/tr>\n<\/table>\n
    Aplica\u00e7\u00f5es pr\u00e1ticas<\/h2>\n
    Cen\u00e1rio 1: Determinando percentis em testes padronizados<\/strong><\/p>\n
    Considere um educador avaliando o desempenho dos alunos em um teste padronizado. A m\u00e9dia nacional \u00e9 500 com desvio padr\u00e3o de 100. Para determinar o percentil de um aluno que obteve 650:<\/p>\n
    (650 - 500) \/ 100 = 1.5<\/code><\/pre>\n
    Utilize a fun\u00e7\u00e3o NORM.S.DIST ou DIST.S.NORM:<\/p>\n
    =NORM.S.DIST(1.5, VERDADEIRO)<\/code><\/pre>\n
    Este c\u00e1lculo mostra que o aluno est\u00e1 aproximadamente no 93\u00ba percentil, pois 0.9332, ou 93.32%, dos alunos obtiveram uma pontua\u00e7\u00e3o igual ou menor que 650.<\/p>\n
    Cen\u00e1rio 2: Avaliando a qualidade em processos de manufatura<\/strong><\/p>\n
    Considere um processo de fabrica\u00e7\u00e3o que exige que uma medida seja menor que 3 cm com um desvio aceit\u00e1vel de 0.5 cm. Ao inspecionar uma amostra de produtos, descobre-se que a m\u00e9dia \u00e9 de 2.95 cm com desvio padr\u00e3o de 0.1 cm. Para calcular a porcentagem de produtos que atendem \u00e0 especifica\u00e7\u00e3o:<\/p>\n
    (3 - 2.95) \/ 0.1 = 0.5<\/code><\/pre>\n
    Utilizando a fun\u00e7\u00e3o para determinar a porcentagem de produtos dentro das especifica\u00e7\u00f5es, temos:<\/p>\n
    =1 - NORM.S.DIST(0.5, VERDADEIRO)<\/code><\/pre>\n
    Portanto, 30.85% dos produtos podem estar fora das especifica\u00e7\u00f5es, sugerindo a necessidade de aprimoramento do controle de qualidade.<\/p>\n
    Estes exemplos demonstram a versatilidade e import\u00e2ncia do conhecimento estat\u00edstico e do uso eficiente das ferramentas dispon\u00edveis no Excel e Google Planilhas para tomadas de decis\u00f5es fundamentadas, seja no ambiente educacional ou industrial.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Devolve a distribui\u00e7\u00e3o cumulativa normal padr\u00e3o<\/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-11035","post","type-post","status-publish","format-standard","hentry","category-estatistica"],"acf":[],"yoast_head":"\nFun\u00e7\u00e3o NORM.S.DIST (DIST.S.NORM) no Excel \u2013 como funciona, exemplos e sintaxe<\/title>\n<meta name=\"description\" content=\"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o NORM.S.DIST (DIST.S.NORM) do Excel. 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