{"id":113564,"date":"2020-01-29T18:18:30","date_gmt":"2020-01-29T17:18:30","guid":{"rendered":"https:\/\/www.superprof.es\/diccionario\/estadistica\/intervalos-caracteristicos.html"},"modified":"2024-05-27T17:43:58","modified_gmt":"2024-05-27T15:43:58","slug":"intervalos-caracteristicos","status":"publish","type":"post","link":"https:\/\/www.superprof.es\/diccionario\/matematicas\/estadistica\/intervalos-caracteristicos.html","title":{"rendered":"Intervalos caracter\u00edsticos"},"content":{"rendered":"<section id=\"sec\" style=\"\">\n<p class=\"\"><strong><span class=\"s\">P[\u03bc - k &lt; x &lt; \u03bc + k] = p<\/span> <\/strong><\/p>\n<p class=\"\">Hallar el intervalo caracter\u00edstico de una distribuci\u00f3n normal N(0,  1) correspondiente a la probabilidad p = 0.9.<\/p>\n<img decoding=\"async\" src=\"https:\/\/www.superprof.es\/diccionario\/wp-content\/uploads\/2020\/01\/intervalos-caracter\u00edsticos-1.png\" alt=\"Explicaciones y ejemplos de intervalos caracter\u00edsticos - 1\" class=\"cRedimensiona\"  \/>\n<p class=\"\"><img decoding=\"async\" src=\"https:\/\/www.superprof.es\/diccionario\/wp-content\/uploads\/2020\/01\/intervalos-caracter\u00edsticos-2.gif\" alt=\"Explicaciones y ejemplos de intervalos caracter\u00edsticos - 2\" \/><\/p>\n<p><\/p>\n<p class=\"\" id=\"n_con\">El <strong>nivel de confianza  (p)<\/strong> se designa mediante <strong>1 \u2212 \u03b1<\/strong>.<\/p>\n<p class=\"\" id=\"n_sig\">El <strong>nivel de significaci\u00f3n<\/strong>   se designa mediante <strong>\u03b1.<\/strong><\/p>\n<p class=\"\" id=\"v_cri\"><strong>El valor cr\u00edtico (k) como z<sub> \u03b1\/2 <\/sub>.<\/strong> <\/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><\/p>\n<p class=\"\">En una distribuci\u00f3n<strong> N(\u03bc, \u03c3 )<\/strong> el intervalo caracter\u00edstico correspondiente a una probabilidad <strong>p = 1 \u2212 \u03b1<\/strong> es:<\/p>\n<p class=\"actividades_2_g\"><strong>(\u03bc - z<sub> \u03b1\/2<\/sub> \u00b7 \u03c3  , \u03bc + z<sub> \u03b1\/2<\/sub> \u00b7 \u03c3  )<\/strong><\/p>\n<table width=\"501\"  border=\"1\" cellpadding=\"4\" cellspacing=\"0\" class=\"t_izq\" style=\"\" >\n<tr>\n<th >1 \u2212 \u03b1<\/th>\n<th >\u03b1\/2<\/th>\n<th >z<sub> \u03b1\/2<\/sub><\/th>\n<th >Intervalos<br \/>\n                                        caracter\u00edsticos<\/th>\n<\/tr>\n<tr>\n<td>0.90<\/td>\n<td>0.05<\/td>\n<td>1.645<\/td>\n<td><strong>(\u03bc - 1.645  \u00b7 \u03c3  , \u03bc + 1.645 \u00b7 \u03c3)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>0.95<\/td>\n<td>0.025<\/td>\n<td>1.96<\/td>\n<td><strong>(\u03bc - 1.96  \u00b7 \u03c3  , \u03bc + 1.96 \u00b7 \u03c3  )<\/strong><\/td>\n<\/tr>\n<tr>\n<td>0.99<\/td>\n<td>0.005<\/td>\n<td>2.575<\/td>\n<td><strong>(\u03bc - 2.575  \u00b7 \u03c3  , \u03bc + 2.575  \u00b7 \u03c3 )<\/strong>\n                                        <\/td>\n<\/tr>\n<\/table>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>P[\u03bc &#8211; k &lt; x &lt; \u03bc + k] = p Hallar el intervalo caracter\u00edstico de una distribuci\u00f3n normal N(0, 1) correspondiente a la probabilidad p = 0.9. El nivel de confianza (p) se designa mediante 1 \u2212 \u03b1. El nivel de significaci\u00f3n se designa mediante \u03b1. El valor cr\u00edtico (k) como z \u03b1\/2 . [&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":[368],"class_list":["post-113564","post","type-post","status-publish","format-standard","hentry","category-estadistica","tag-i"],"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\">i<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">i<\/span>"]}},"comment_count":"0","relative_dates":{"created":"Publicado 7 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\/113564","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=113564"}],"version-history":[{"count":1,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/posts\/113564\/revisions"}],"predecessor-version":[{"id":136069,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/posts\/113564\/revisions\/136069"}],"wp:attachment":[{"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/media?parent=113564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/categories?post=113564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/tags?post=113564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}