{"id":146,"date":"2013-04-15T17:00:56","date_gmt":"2013-04-15T16:00:56","guid":{"rendered":"http:\/\/spss.wp.xpkode.com\/?p=146"},"modified":"2013-04-16T15:39:40","modified_gmt":"2013-04-16T14:39:40","slug":"analise-descritiva-de-variaveis-quantitativas","status":"publish","type":"post","link":"http:\/\/www.dicas-spss.com\/?p=146","title":{"rendered":"An\u00e1lise descritiva de vari\u00e1veis quantitativas"},"content":{"rendered":"<p>As vari\u00e1veis quantitativas permitem uma descri\u00e7\u00e3o em termos de m\u00e9dia, mediana, moda, quartis e desvio padr\u00e3o.<\/p>\n<p>Vejamos o exemplo. Pretendo saber os valores m\u00e9dios, m\u00ednimos e m\u00e1ximos e de desvio padr\u00e3o da vari\u00e1vel <em>Escala 1<\/em>, nos homens e nas mulheres.<\/p>\n<p><a href=\"http:\/\/spss.wp.w3.pt\/?attachment_id=149\" rel=\"attachment wp-att-149\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-149\" alt=\"freq-escala1\" src=\"http:\/\/spss.wp.w3.pt\/wp-content\/uploads\/sites\/4\/2013\/04\/freq-escala1.png\" width=\"1084\" height=\"675\" srcset=\"http:\/\/dicas-spss.wp.w3.pt\/wp-content\/uploads\/sites\/4\/2013\/04\/freq-escala1.png 1084w, http:\/\/dicas-spss.wp.w3.pt\/wp-content\/uploads\/sites\/4\/2013\/04\/freq-escala1-300x186.png 300w, http:\/\/dicas-spss.wp.w3.pt\/wp-content\/uploads\/sites\/4\/2013\/04\/freq-escala1-1024x637.png 1024w\" sizes=\"(max-width: 1084px) 100vw, 1084px\" \/><\/a><\/p>\n<p>Abre-se uma janela onde se escolhe a vari\u00e1vel para a coluna (neste caso a vari\u00e1vel <em>Genero<\/em>) e a vari\u00e1vel quantitativa.<\/p>\n<p>Para escolher as estat\u00edsticas, na caixa D<em>efine<\/em>, escolhe-se <em>Summary Statistics<\/em> que abre nova janela. Aqui transportam-se as estat\u00edsticas que se pretende, utilizando a seta. De seguida, carrega-se em <em>Aplly to Selection. <\/em>A janela fecha e, carregando-se de seguida em <em>Ok<\/em>, obt\u00eam-se as tabelas pedidas no ficheiro de Output.<\/p>\n<p><a href=\"http:\/\/spss.wp.w3.pt\/?attachment_id=147\" rel=\"attachment wp-att-147\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-147\" alt=\"freq-escala1-2\" src=\"http:\/\/spss.wp.w3.pt\/wp-content\/uploads\/sites\/4\/2013\/04\/freq-escala1-2.png\" width=\"1347\" height=\"841\" srcset=\"http:\/\/dicas-spss.wp.w3.pt\/wp-content\/uploads\/sites\/4\/2013\/04\/freq-escala1-2.png 1347w, http:\/\/dicas-spss.wp.w3.pt\/wp-content\/uploads\/sites\/4\/2013\/04\/freq-escala1-2-300x187.png 300w, http:\/\/dicas-spss.wp.w3.pt\/wp-content\/uploads\/sites\/4\/2013\/04\/freq-escala1-2-1024x639.png 1024w\" sizes=\"(max-width: 1347px) 100vw, 1347px\" \/><\/a><\/p>\n<p>A tabela gerada indica-nos que a na <em>Escala1<\/em>, os homens apresentaram um valor m\u00e9dio de 2,75 enquanto as mulheres apresentaram um valor m\u00e9dio de 1,91. Em qualquer dos g\u00e9neros, a amplitude de resposta variou entre zero e cinco.<\/p>\n<p><a href=\"http:\/\/spss.wp.w3.pt\/?attachment_id=150\" rel=\"attachment wp-att-150\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-150\" alt=\"freq-escala1-output\" src=\"http:\/\/spss.wp.w3.pt\/wp-content\/uploads\/sites\/4\/2013\/04\/freq-escala1-output.png\" width=\"767\" height=\"243\" srcset=\"http:\/\/dicas-spss.wp.w3.pt\/wp-content\/uploads\/sites\/4\/2013\/04\/freq-escala1-output.png 767w, http:\/\/dicas-spss.wp.w3.pt\/wp-content\/uploads\/sites\/4\/2013\/04\/freq-escala1-output-300x95.png 300w\" sizes=\"(max-width: 767px) 100vw, 767px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As vari\u00e1veis quantitativas permitem uma descri\u00e7\u00e3o em termos de m\u00e9dia, mediana, moda, quartis e desvio padr\u00e3o. Vejamos o exemplo. Pretendo saber os valores m\u00e9dios, m\u00ednimos e m\u00e1ximos e de desvio padr\u00e3o da vari\u00e1vel Escala 1, nos homens e nas mulheres. Abre-se uma janela onde se escolhe a vari\u00e1vel para a coluna (neste caso a vari\u00e1vel [&hellip;]<\/p>\n","protected":false},"author":22,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,20,5,8],"tags":[],"_links":{"self":[{"href":"http:\/\/www.dicas-spss.com\/index.php?rest_route=\/wp\/v2\/posts\/146"}],"collection":[{"href":"http:\/\/www.dicas-spss.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.dicas-spss.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.dicas-spss.com\/index.php?rest_route=\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"http:\/\/www.dicas-spss.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=146"}],"version-history":[{"count":3,"href":"http:\/\/www.dicas-spss.com\/index.php?rest_route=\/wp\/v2\/posts\/146\/revisions"}],"predecessor-version":[{"id":152,"href":"http:\/\/www.dicas-spss.com\/index.php?rest_route=\/wp\/v2\/posts\/146\/revisions\/152"}],"wp:attachment":[{"href":"http:\/\/www.dicas-spss.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.dicas-spss.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=146"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.dicas-spss.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}