{"id":4586,"date":"2026-08-11T11:48:52","date_gmt":"2026-08-11T09:48:52","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4586"},"modified":"2026-08-11T11:48:52","modified_gmt":"2026-08-11T09:48:52","slug":"prueba-sobre-estadisticas-resumidas","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/es\/guide-dutilisateur\/test-sur-statistiques-resumes\/","title":{"rendered":"Prueba sobre res\u00famenes estad\u00edsticos"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Esta p\u00e1gina sirve para realizar pruebas&nbsp;<strong>sin los datos brutos<\/strong>. Las estad\u00edsticas resumidas se introducen directamente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se utiliza en tres casos concretos: un informe de un proveedor que solo ofrece la media y la desviaci\u00f3n t\u00edpica, una publicaci\u00f3n cuya conclusi\u00f3n se quiere verificar, y un c\u00e1lculo de verificaci\u00f3n antes de iniciar una prueba.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tres pesta\u00f1as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cuantitativas<\/strong>\u00a0: introducir para cada muestra la\u00a0<strong>talla (n.)<\/strong>, la\u00a0<strong>media<\/strong>\u00a0y el\u2019<strong>desviaci\u00f3n t\u00edpica (dt)<\/strong>. Ellistat realiza la prueba como si los datos estuvieran ah\u00ed; ;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"486\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/quantitatif.png\" alt=\"\" class=\"wp-image-4587\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/quantitatif.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/quantitatif-300x151.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/quantitatif-768x387.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/quantitatif-18x9.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cualitativas<\/strong>\u00a0: introducir el\u00a0<strong>n\u00famero con la caracter\u00edstica (k)<\/strong>\u00a0y la\u00a0<strong>talla (n.)<\/strong>\u00a0para comparar proporciones; ;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"422\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/qualitative.png\" alt=\"\" class=\"wp-image-4588\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/qualitative.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/qualitative-300x131.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/qualitative-768x336.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/qualitative-18x8.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Independencia<\/strong>\u00a0: una tabla de contingencia de filas \u00d7 columnas, para comprobar la dependencia entre dos variables cualitativas.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"508\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/independance.png\" alt=\"\" class=\"wp-image-4589\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/independance.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/independance-300x158.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/independance-768x405.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/independance-18x9.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ajustes generales: el\u00a0<strong>riesgo alfa<\/strong>, y el\u2019<strong>alternativa<\/strong>\u00a0:\u00a0<strong>bilateral<\/strong>,\u00a0<strong>unilateral izquierdo<\/strong>\u00a0o\u00a0<strong>derecho unilateral<\/strong>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1\u00a0<strong>\u00bfBilateral o unilateral?<\/strong>\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bilateral pregunta: \u00ab\u00bfHay alguna diferencia?\u00bb, <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El unilateral pregunta: \u00ab\u00bfEs mejor?\u00bb. El unilateral es m\u00e1s potente, pero\u00a0<strong>Hay que elegir la direcci\u00f3n antes de ver los datos<\/strong>. Elegirlo tras haber comprobado la direcci\u00f3n de la desviaci\u00f3n duplica sutilmente el riesgo alfa.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">En la pesta\u00f1a \u00abIndependencia\u00bb, Ellistat selecciona el m\u00e9todo en funci\u00f3n del tama\u00f1o de la muestra y lo muestra: *n=1: binomial exacto; n=2: Fisher exacto; n\u22653: \u03c7\u00b2*. La validez de la prueba \u03c7\u00b2 se comprueba mediante la\u00a0<strong>regla de Cochran<\/strong>, en modo autom\u00e1tico, Ellistat agrupa los datos si es necesario. Los\u00a0<strong>cifras previstas<\/strong>\u00a0se muestran, coloreadas seg\u00fan el residuo estandarizado: las casillas m\u00e1s coloreadas son las que presentan la dependencia.<\/p>","protected":false},"featured_media":0,"menu_order":40,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[23],"class_list":["post-4586","guide-dutilisateur","type-guide-dutilisateur","status-publish","hentry","menu-guide-dutilisateur-5-statistiques-inferentielles"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Test sur statistiques r\u00e9sum\u00e9s - Ellistat<\/title>\n<meta name=\"description\" content=\"Pas de donn\u00e9es brutes ? 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