{"id":817,"date":"2023-07-28T15:56:05","date_gmt":"2023-07-28T15:56:05","guid":{"rendered":"https:\/\/statorials.org\/pt\/pontuacao-z-spss\/"},"modified":"2023-07-28T15:56:05","modified_gmt":"2023-07-28T15:56:05","slug":"pontuacao-z-spss","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/pontuacao-z-spss\/","title":{"rendered":"Como calcular pontua\u00e7\u00f5es z no spss"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Uma <strong>pontua\u00e7\u00e3o z<\/strong> nos diz quantos desvios padr\u00e3o um determinado valor est\u00e1 da m\u00e9dia.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A pontua\u00e7\u00e3o z de um determinado valor \u00e9 calculada da seguinte forma:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>pontua\u00e7\u00e3o z<\/strong> = (x \u2013 \u03bc) \/ \u03c3<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ouro:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x:<\/strong> valor individual<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\u03bc:<\/strong> m\u00e9dia populacional<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\u03c3:<\/strong> desvio padr\u00e3o populacional<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Este tutorial explica como calcular pontua\u00e7\u00f5es z no SPSS.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Relacionado:<\/strong> <a href=\"https:\/\/statorials.org\/pt\/interpretar-pontuacoes-z\/\" target=\"_blank\" rel=\"noopener\">Como interpretar pontua\u00e7\u00f5es Z<\/a><\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Como calcular pontua\u00e7\u00f5es Z no SPSS<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte conjunto de dados que mostra a renda anual (em milhares) de 15 pessoas:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-9034 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/valeurs-aberrantesspss1.png\" alt=\"\" width=\"387\" height=\"475\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Para calcular pontua\u00e7\u00f5es z para cada valor no conjunto de dados, clique na guia <strong>Analisar<\/strong> , depois em <strong>Estat\u00edsticas Descritivas<\/strong> e em <strong>Descritivos<\/strong> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-9046 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/zscorespss1.png\" alt=\"\" width=\"497\" height=\"422\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Na nova janela que aparece, arraste a vari\u00e1vel <strong>de renda<\/strong> para a caixa denominada Vari\u00e1vel(es).<\/span><\/p>\n<p> <span style=\"color: #000000;\">Certifique-se de que a caixa ao lado de <strong>Salvar valores padronizados como vari\u00e1veis<\/strong> esteja marcada e clique em <strong>OK<\/strong> .<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-9047 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/zscorespss2.png\" alt=\"\" width=\"396\" height=\"250\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Depois de clicar em <strong>OK<\/strong> , o SPSS produzir\u00e1 uma tabela de estat\u00edsticas descritivas para o seu conjunto de dados:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9049 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/zscorespss4.png\" alt=\"\" width=\"441\" height=\"139\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O SPSS tamb\u00e9m produzir\u00e1 uma nova coluna de valores que exibe o z-score para cada um dos valores originais em seu conjunto de dados:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9048 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/zscorespss3.png\" alt=\"Pontua\u00e7\u00f5es Z no SPSS\" width=\"369\" height=\"507\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Cada uma das pontua\u00e7\u00f5es z \u00e9 calculada usando a f\u00f3rmula z = (x \u2013 \u03bc) \/ \u03c3<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, a pontua\u00e7\u00e3o z para o valor da renda de 18 \u00e9:<\/span><\/p>\n<p> <span style=\"color: #000000;\">z = (18 \u2013 58,93) \/ 29,060 = <strong>-1,40857<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">As pontua\u00e7\u00f5es Z para todos os outros valores de dados s\u00e3o calculadas da mesma maneira.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Como interpretar pontua\u00e7\u00f5es Z<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Lembre-se de que uma pontua\u00e7\u00e3o z simplesmente nos diz quantos desvios padr\u00e3o um valor est\u00e1 da m\u00e9dia.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Uma pontua\u00e7\u00e3o z pode ser positiva, negativa ou igual a zero:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Uma <strong>pontua\u00e7\u00e3o z positiva<\/strong> indica que um determinado valor est\u00e1 acima da m\u00e9dia.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Uma <strong>pontua\u00e7\u00e3o z negativa<\/strong> indica que um determinado valor est\u00e1 abaixo da m\u00e9dia.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Uma <strong>pontua\u00e7\u00e3o z de zero<\/strong> indica que um determinado valor \u00e9 igual \u00e0 m\u00e9dia.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">No nosso exemplo, descobrimos que a m\u00e9dia foi 58,93 e o desvio padr\u00e3o foi 29,060.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Portanto, o primeiro valor em nosso conjunto de dados foi 18, que teve uma pontua\u00e7\u00e3o z de (18 \u2013 58,93) \/ 29,060 = <strong>-1,40857<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Isso significa que o valor \u201c18\u201d \u00e9 1,40857 desvios padr\u00e3o <strong>inferior<\/strong> \u00e0 m\u00e9dia.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por outro lado, o \u00faltimo valor em nossos dados foi 108, o que correspondeu a um escore z de (108 \u2013 58,93) \/ 29,060 = <strong>1,68845<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Isso significa que o valor \u201c108\u201d est\u00e1 1,68845 desvios padr\u00e3o <strong>acima<\/strong> da m\u00e9dia.<\/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 executar outras tarefas comuns no SPSS:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/estatisticas-descritivas-spss\/\" target=\"_blank\" rel=\"noopener\">Como calcular estat\u00edsticas descritivas para vari\u00e1veis no SPSS<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/cinco-numeros-retomam-spss\/\" target=\"_blank\" rel=\"noopener\">Como calcular um resumo de cinco d\u00edgitos no SPSS<\/a><br \/> Como identificar outliers no SPSS<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uma pontua\u00e7\u00e3o z nos diz quantos desvios padr\u00e3o um determinado valor est\u00e1 da m\u00e9dia. A pontua\u00e7\u00e3o z de um determinado valor \u00e9 calculada da seguinte forma: pontua\u00e7\u00e3o z = (x \u2013 \u03bc) \/ \u03c3 Ouro: x: valor individual \u03bc: m\u00e9dia populacional \u03c3: desvio padr\u00e3o populacional Este tutorial explica como calcular pontua\u00e7\u00f5es z no SPSS. Relacionado: [&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-817","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 calcular pontua\u00e7\u00f5es Z no SPSS \u2013 Estatologia<\/title>\n<meta name=\"description\" content=\"Uma explica\u00e7\u00e3o simples de como calcular pontua\u00e7\u00f5es z no SPSS, incluindo exemplos 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\/pontuacao-z-spss\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como calcular pontua\u00e7\u00f5es Z no SPSS \u2013 Estatologia\" \/>\n<meta property=\"og:description\" content=\"Uma explica\u00e7\u00e3o simples de como calcular pontua\u00e7\u00f5es z no SPSS, incluindo exemplos passo a passo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/pontuacao-z-spss\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T15:56:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/valeurs-aberrantesspss1.png\" \/>\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\/pontuacao-z-spss\/\",\"url\":\"https:\/\/statorials.org\/pt\/pontuacao-z-spss\/\",\"name\":\"Como calcular pontua\u00e7\u00f5es Z no SPSS \u2013 Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-28T15:56:05+00:00\",\"dateModified\":\"2023-07-28T15:56:05+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Uma explica\u00e7\u00e3o simples de como calcular pontua\u00e7\u00f5es z no SPSS, incluindo exemplos passo a passo.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/pontuacao-z-spss\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/pontuacao-z-spss\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/pontuacao-z-spss\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como calcular pontua\u00e7\u00f5es z no spss\"}]},{\"@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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