{"id":113584,"date":"2020-01-29T18:18:32","date_gmt":"2020-01-29T17:18:32","guid":{"rendered":"https:\/\/www.superprof.es\/diccionario\/estadistica\/valores-criticos.html"},"modified":"2024-05-27T17:43:52","modified_gmt":"2024-05-27T15:43:52","slug":"valores-criticos","status":"publish","type":"post","link":"https:\/\/www.superprof.es\/diccionario\/matematicas\/estadistica\/valores-criticos.html","title":{"rendered":"Valores cr\u00edticos"},"content":{"rendered":"<section id=\"sec\" style=\"\">\n<p class=\"\" id=\"v_cri\">El <strong>valor cr\u00edtico<\/strong>  se designa mediante <strong>z<sub> \u03b1\/<\/sub><\/strong><sub>2 <\/sub>.<\/p>\n<p class=\"\"><strong>P(Z &gt; z<sub>\u03b1\/2<\/sub>) = \u03b1\/2     <\/strong><\/p>\n<p class=\"\"><strong> <span>P[-z <sub> \u03b1\/2<\/sub> &lt; z &lt; z<sub> \u03b1\/2<\/sub>] = 1 \u2212 \u03b1<\/span> <\/strong><\/p>\n<p class=\"\" id=\"n_sig\"><strong>\u03b1<\/strong> es rl <strong>nivel de significaci\u00f3n<\/strong>.<\/p>\n<p class=\"\"><strong>1 \u2212 \u03b1<\/strong> es el <strong>nivel de confianza<\/strong>, que es la probabilidad de que el par\u00e1metro a estimar se encuentre en el intervalo de confianza.<\/p>\n<p class=\"\">Los niveles de confianza m\u00e1s usuales son: 90%; 95% y 99%.<\/p>\n<h2 class=\"t\">Bilateral<\/h2>\n<p class=\"actividades_2\"><img decoding=\"async\" src=\"https:\/\/www.superprof.es\/diccionario\/wp-content\/uploads\/2020\/01\/valores-cr\u00edticos-1.gif\" alt=\"Explicaciones y ejemplos de valores cr\u00edticos - 1\"  ><\/p>\n<table class=\"responsive sbc\" data-min=\"8\" data-max=\"12\">\n<tr>\n<th >1 - \u03b1<\/th>\n<th>\u03b1\/2<\/th>\n<th>z<sub> \u03b1\/2<\/sub><\/th>\n<\/tr>\n<tr>\n<td>0.90<\/td>\n<td>0.05<\/td>\n<td>1.645<\/td>\n<\/tr>\n<tr>\n<td>0.95<\/td>\n<td>0.025<\/td>\n<td>1.96<\/td>\n<\/tr>\n<tr>\n<td>0.99<\/td>\n<td>0.005<\/td>\n<td>2.575<\/td>\n<\/tr>\n<\/table>\n<p><\/p>\n<h2 class=\"t\">Unilateral<\/h2>\n<p class=\"actividades_2\"><img decoding=\"async\" src=\"https:\/\/www.superprof.es\/diccionario\/wp-content\/uploads\/2020\/01\/valores-cr\u00edticos-2.gif\" alt=\"Explicaciones y ejemplos de valores cr\u00edticos - 2\"  ><\/p>\n<table class=\"responsive sbc\" data-min=\"8\" data-max=\"12\">\n<tr>\n<th>1 - \u03b1<\/th>\n<th>\u03b1<\/th>\n<th>z<sub> \u03b1<\/sub><\/th>\n<\/tr>\n<tr>\n<td>0.90<\/td>\n<td>0.10<\/td>\n<td>1.28<\/td>\n<\/tr>\n<tr>\n<td>0.95<\/td>\n<td>0.05<\/td>\n<td>1.645<\/td>\n<\/tr>\n<tr>\n<td>0.99<\/td>\n<td>0.01<\/td>\n<td>2.33<\/td>\n<\/tr>\n<\/table>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>El valor cr\u00edtico se designa mediante z \u03b1\/2 . P(Z &gt; z\u03b1\/2) = \u03b1\/2 P[-z \u03b1\/2 &lt; z &lt; z \u03b1\/2] = 1 \u2212 \u03b1 \u03b1 es rl nivel de significaci\u00f3n. 1 \u2212 \u03b1 es el nivel de confianza, que es la probabilidad de que el par\u00e1metro a estimar se encuentre en el intervalo de [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":""},"categories":[380],"tags":[365],"class_list":["post-113584","post","type-post","status-publish","format-standard","hentry","category-estadistica","tag-v"],"acf":[],"author_meta":{"display_name":"Andra","author_link":"https:\/\/www.superprof.es\/diccionario\/author\/andra"},"featured_img":null,"coauthors":[],"tax_additional":{"categories":{"linked":["<a href=\"https:\/\/www.superprof.es\/diccionario\/matematicas\/estadistica\" class=\"advgb-post-tax-term\">Estad\u00edstica<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">Estad\u00edstica<\/span>"]},"tags":{"linked":["<a href=\"https:\/\/www.superprof.es\/diccionario\/matematicas\/estadistica\" class=\"advgb-post-tax-term\">v<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">v<\/span>"]}},"comment_count":"0","relative_dates":{"created":"Publicado 6 a\u00f1os hace","modified":"Actualizado 2 a\u00f1os hace"},"absolute_dates":{"created":"Publicado el 29 enero 2020","modified":"Actualizado el 27 mayo 2024"},"absolute_dates_time":{"created":"Publicado el 29 enero 2020 18 h 18 min","modified":"Actualizado el 27 mayo 2024 17 h 43 min"},"featured_img_caption":"","series_order":"","_links":{"self":[{"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/posts\/113584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/comments?post=113584"}],"version-history":[{"count":1,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/posts\/113584\/revisions"}],"predecessor-version":[{"id":136066,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/posts\/113584\/revisions\/136066"}],"wp:attachment":[{"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/media?parent=113584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/categories?post=113584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/tags?post=113584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}