{"id":5848,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/tinv\/"},"modified":"2021-02-26T10:04:51","modified_gmt":"2021-02-26T10:04:51","slug":"tinv","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/tinv\/","title":{"rendered":"TINV"},"content":{"rendered":"

Funkce TINV<\/strong> v aplikac\u00edch Microsoft Excel a Google Sheets je u\u017e\u00edv\u00e1na pro v\u00fdpo\u010det inverzn\u00edch hodnot pravd\u011bpodobnosti Studentsk\u00e9ho t rozd\u011blen\u00ed. Tato funkce je nezbytn\u00e1 zejm\u00e9na ve statistice a p\u0159i prov\u00e1d\u011bn\u00ed r\u016fzn\u00fdch test\u016f hypot\u00e9z, kdy je d\u016fle\u017eit\u00e9 pracovat s mal\u00fdmi vzorky dat, kde standardn\u00ed rozd\u011blen\u00ed, jako je norm\u00e1ln\u00ed rozd\u011blen\u00ed, nejsou vhodn\u00e1.<\/p>\n

P\u0159ehled syntaxe funkce<\/h2>\n

Syntaxe funkce vypad\u00e1 takto:<\/p>\n

=TINV(pravd\u011bpodobnost, stupn\u011b_volnosti)<\/code><\/pre>\n
    \n
  • pravd\u011bpodobnost<\/strong> – Pravd\u011bpodobnost spojen\u00e1 s dvoustrann\u00fdm testem, vyj\u00e1d\u0159en\u00e1 jako desetinn\u00e9 \u010d\u00edslo v rozmez\u00ed 0 a\u017e 1.<\/li>\n
  • stupn\u011b_volnosti<\/strong> – Po\u010det stup\u0148\u016f volnosti distribuce, mus\u00ed b\u00fdt kladn\u00e9 cel\u00e9 \u010d\u00edslo.<\/li>\n<\/ul>\n
    Pokud nap\u0159\u00edklad chcete ur\u010dit t-hodnotu odpov\u00eddaj\u00edc\u00ed 95% hladin\u011b d\u016fv\u011bry s 10 stupni volnosti, pou\u017eijete vzorec:<\/p>\n
    =TINV(0.05, 10)<\/code><\/pre>\n
    Vyu\u017eit\u00ed ve skute\u010dn\u00fdch situac\u00edch<\/h2>\n
    Funkce TINV<\/strong> nach\u00e1z\u00ed uplatn\u011bn\u00ed v \u0161irok\u00e9 \u0161k\u00e1le statistick\u00fdch anal\u00fdz. N\u00ed\u017ee uv\u00e1d\u00edme n\u011bkolik p\u0159\u00edklad\u016f jej\u00edho pou\u017eit\u00ed:<\/p>\n\n\n\n\n\n\n
    P\u0159\u00edklad<\/th>\nPopis<\/th>\n<\/tr>\n<\/thead>\n
    V\u00fdpo\u010det kritick\u00e9 hodnoty pro t-test<\/td>\nTato hodnota ur\u010duje t-hodnotu odpov\u00eddaj\u00edc\u00ed specifikovan\u00e9 pravd\u011bpodobnosti a po\u010dtu stup\u0148\u016f volnosti vzorku, kter\u00e1 se pou\u017e\u00edv\u00e1 k rozhodnut\u00ed o p\u0159ijet\u00ed nebo zam\u00edtnut\u00ed nulov\u00e9 hypot\u00e9zy.<\/td>\n<\/tr>\n
    Porovn\u00e1n\u00ed pr\u016fm\u011br\u016f dvou soubor\u016f dat<\/td>\nP\u0159i realizaci t-testu pro porovn\u00e1n\u00ed pr\u016fm\u011br\u016f z dvou nez\u00e1visl\u00fdch vzork\u016f pom\u00e1h\u00e1 funkce TINV<\/strong> zjistit, zda jsou rozd\u00edly mezi skupinami statisticky v\u00fdznamn\u00e9.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    P\u0159\u00edklady z praxe<\/h2>\n
    Zde jsou uvedeny konkr\u00e9tn\u00ed sc\u00e9n\u00e1\u0159e pou\u017eit\u00ed:<\/p>\n
    1. P\u0159\u00edklad:<\/strong> Anal\u00fdza v\u00fdsledk\u016f student\u016f z dvou r\u016fzn\u00fdch test\u016f, kde zji\u0161\u0165ujeme, jestli existuje statisticky v\u00fdznamn\u00fd rozd\u00edl v pr\u016fm\u011brech skupin.<\/p>\n
      \n
    • Pou\u017e\u00edv\u00e1me hladinu v\u00fdznamnosti 0.05 (5% riziko chyby prvn\u00edho typu).<\/li>\n
    • Stupn\u011b volnosti jsou 28 (15 student\u016f v jedn\u00e9 skupin\u011b a 14 ve druh\u00e9).<\/li>\n<\/ul>\n
      =TINV(0.05, 28)<\/code><\/pre>\n
      V\u00fdsledek:<\/strong> Funkce vr\u00e1t\u00ed hodnotu t-hodnoty, pou\u017eitou pro posouzen\u00ed rozd\u00edl\u016f pr\u016fm\u011br\u016f v t-testu.<\/p>\n
      2. P\u0159\u00edklad:<\/strong> Hodnocen\u00ed efektivity l\u00e9ku v dvou testovac\u00edch skupin\u00e1ch za \u00fa\u010delem ur\u010den\u00ed efektivity l\u00e9\u010dby.<\/p>\n
        \n
      • Za hladinu v\u00fdznamnosti si zvol\u00edme 0.01 (1% riziko chyby).<\/li>\n
      • M\u00e1me 22 stup\u0148\u016f volnosti (11 \u00fa\u010dastn\u00edk\u016f v ka\u017ed\u00e9 skupin\u011b).<\/li>\n<\/ul>\n
        =TINV(0.01, 22)<\/code><\/pre>\n
        Vysv\u011btlen\u00ed:<\/strong> Ni\u017e\u0161\u00ed pravd\u011bpodobnost zna\u010d\u00ed hled\u00e1n\u00ed hodnoty, kter\u00e1 je podle nulov\u00e9 hypot\u00e9zy velmi nepravd\u011bpodobn\u00e1. Vr\u00e1cen\u00e1 t-hodnota n\u00e1m uk\u00e1\u017ee, jak extremn\u00ed mus\u00ed b\u00fdt tato hodnota pro zam\u00edtnut\u00ed nulov\u00e9 hypot\u00e9zy.<\/p>\n
        Funkce TINV<\/strong> je cenn\u00fdm n\u00e1strojem pro statistick\u00e9 anal\u00fdzy v Excelu a Google Sheets, umo\u017e\u0148uj\u00edc\u00ed u\u017eivatel\u016fm l\u00e9pe interpretovat data a podklad pro rozhodov\u00e1n\u00ed zalo\u017een\u00e1 na datech.<\/p>\n","protected":false},"excerpt":{"rendered":"
        Vr\u00e1t\u00ed inverzn\u00ed funkci k distribu\u010dn\u00ed funkci Studentova t-rozd\u011blen\u00ed<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[289],"tags":[],"class_list":["post-5848","post","type-post","status-publish","format-standard","hentry","category-kompatibilita"],"acf":[],"yoast_head":"\nFunkce TINV v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije TINV u Excelu i Google tablicama. 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