{"id":1142,"date":"2020-10-29T14:58:36","date_gmt":"2020-10-29T12:58:36","guid":{"rendered":"http:\/\/tecniques-metodes-recerca.recursos.uoc.edu\/7-4-1-introduccion\/"},"modified":"2020-12-14T13:46:33","modified_gmt":"2020-12-14T11:46:33","slug":"7-4-1-introduccio","status":"publish","type":"page","link":"http:\/\/tecniques-metodes-recerca.recursos.uoc.edu\/ca\/7-4-1-introduccio\/","title":{"rendered":"7.4.1. Introducci\u00f3"},"content":{"rendered":"<p>La definici\u00f3 de variable \u00e9s \u00abpropietat mitjan\u00e7ant la qual podem distingir els individus d&#8217;una mostra o d&#8217;una poblaci\u00f3\u00bb.<\/p>\n<p>Les modalitats o car\u00e0cters s\u00f3n les diferents maneres, valors, categories, situacions possibles, etc. que pot presentar una variable.<\/p>\n<p>La modalitat per a les variables quantitatives sol anomenar-se \u00abvalor\u00bb i la modalitat per a les qualitatives s\u2019anomena \u00abatribut\u00bb.<\/p>\n<p>Les variables es representen amb lletres maj\u00fascules i els seus valors amb min\u00fascules. Un exemple \u00e9s la variable <em>X<\/em> que pren valors\u00a0<img loading=\"lazy\" class=\"alignnone wp-image-722\" src=\"\/wp-content\/uploads\/2020\/11\/Eqn003-2.png\" alt=\"\" width=\"90\" height=\"29\" \/>.<\/p>\n<p>Les variables poden ser qualitatives o quantitatives.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La definici\u00f3 de variable \u00e9s \u00abpropietat mitjan\u00e7ant la qual podem distingir els individus d&#8217;una mostra o d&#8217;una poblaci\u00f3\u00bb. Les modalitats o car\u00e0cters s\u00f3n les diferents maneres, valors, categories, situacions possibles, etc. que pot presentar una variable. La modalitat per a les variables quantitatives sol anomenar-se \u00abvalor\u00bb i la modalitat per a les qualitatives s\u2019anomena \u00abatribut\u00bb. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"http:\/\/tecniques-metodes-recerca.recursos.uoc.edu\/ca\/wp-json\/wp\/v2\/pages\/1142"}],"collection":[{"href":"http:\/\/tecniques-metodes-recerca.recursos.uoc.edu\/ca\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/tecniques-metodes-recerca.recursos.uoc.edu\/ca\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/tecniques-metodes-recerca.recursos.uoc.edu\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/tecniques-metodes-recerca.recursos.uoc.edu\/ca\/wp-json\/wp\/v2\/comments?post=1142"}],"version-history":[{"count":2,"href":"http:\/\/tecniques-metodes-recerca.recursos.uoc.edu\/ca\/wp-json\/wp\/v2\/pages\/1142\/revisions"}],"predecessor-version":[{"id":1144,"href":"http:\/\/tecniques-metodes-recerca.recursos.uoc.edu\/ca\/wp-json\/wp\/v2\/pages\/1142\/revisions\/1144"}],"wp:attachment":[{"href":"http:\/\/tecniques-metodes-recerca.recursos.uoc.edu\/ca\/wp-json\/wp\/v2\/media?parent=1142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}