{"id":5721,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/normsdist\/"},"modified":"2021-02-26T10:00:18","modified_gmt":"2021-02-26T10:00:18","slug":"normsdist","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/normsdist\/","title":{"rendered":"NORMSDIST"},"content":{"rendered":"

Funkce NORMSDIST je kl\u00ed\u010dov\u00fdm n\u00e1strojem v tabulkov\u00fdch kalkul\u00e1torech, jako jsou MS Excel a Google Sheets, slou\u017e\u00edc\u00ed k v\u00fdpo\u010dtu pravd\u011bpodobnosti, \u017ee hodnota norm\u00e1ln\u011b rozd\u011blen\u00e9 n\u00e1hodn\u00e9 prom\u011bnn\u00e9 nep\u0159ekro\u010d\u00ed ur\u010denou hranici. Tato funkce poskytuje pravd\u011bpodobnost podle kumulativn\u00ed distribu\u010dn\u00ed funkce standardizovan\u00e9ho norm\u00e1ln\u00edho rozd\u011blen\u00ed, neboli Gaussova rozd\u011blen\u00ed, s pr\u016fm\u011brem nula a sm\u011brodatnou odchylkou jedna.<\/p>\n

Syntaxe a p\u0159\u00edklady pou\u017eit\u00ed<\/h2>\n

Standardn\u00ed syntaxi funkce NORMSDIST lze vyj\u00e1d\u0159it n\u00e1sledovn\u011b:<\/p>\n

=NORMSDIST(z)<\/code><\/pre>\n
kde z<\/b> je sk\u00f3re, pro n\u011b\u017e chceme ur\u010dit pravd\u011bpodobnost. Hodnota z<\/b> zna\u010d\u00ed po\u010det sm\u011brodatn\u00fdch odchylek, o kter\u00e9 se nam\u011b\u0159en\u00e1 hodnota li\u0161\u00ed od pr\u016fm\u011bru.<\/p>\n
P\u0159\u00edklad pou\u017eit\u00ed funkce v Excelu nebo Google Sheets:<\/p>\n
=NORMSDIST(1.96)<\/code><\/pre>\n
Tento v\u00fdpo\u010det n\u00e1m d\u00e1 pravd\u011bpodobnost, \u017ee n\u00e1hodn\u00e1 prom\u011bnn\u00e1 se standardn\u00edm norm\u00e1ln\u00edm rozd\u011blen\u00edm nep\u0159ekro\u010d\u00ed hodnotu 1.96. Tato hodnota je b\u011b\u017en\u011b vyu\u017e\u00edv\u00e1na v hypot\u00e9zov\u00e9m testov\u00e1n\u00ed, kde posuzujeme, zda v\u00fdsledky p\u0159esahuj\u00ed stanovenou kritickou hranici.<\/p>\n
P\u0159\u00edklady v praktick\u00fdch situac\u00edch<\/h2>\n
Funkce NORMSDIST je u\u017eite\u010dn\u00e1 v r\u016fzn\u00fdch praktick\u00fdch sc\u00e9n\u00e1\u0159\u00edch:<\/p>\n
    \n
  • Ov\u011b\u0159en\u00ed m\u011b\u0159en\u00ed ve v\u00fdrobn\u00edm procesu:<\/b> Pou\u017eit\u00ed p\u0159i anal\u00fdze dat o v\u00fdrobn\u00edch toleranc\u00edch k ur\u010den\u00ed procentu\u00e1ln\u00edho pod\u00edlu produkt\u016f, kter\u00e9 vyhovuj\u00ed specifikac\u00edm.<\/li>\n
  • Statistick\u00e9 testov\u00e1n\u00ed:<\/b> Hodnocen\u00ed, zdali se v\u00fdsledky skupin v experimentech v\u00fdznamn\u011b li\u0161\u00ed.<\/li>\n<\/ul>\n
    P\u0159\u00edklad 1: V p\u0159\u00edpad\u011b v\u00fdrobn\u00edho procesu, kde jsou produkty v pr\u016fm\u011brn\u00e9 d\u00e9lce 100 cm s sm\u011brodatnou odchylkou 2 cm, chceme zjistit, kolik procent produkt\u016f je krat\u0161\u00edch ne\u017e 95 cm.<\/p>\n\n\n\n\n\n
    Krok<\/th>\nPostup<\/th>\n<\/tr>\n
    1<\/td>\nVypo\u010dteme z-sk\u00f3re pro 95 cm: (95 – 100)\/2 = -2.5<\/td>\n<\/tr>\n
    2<\/td>\nAplikujeme funkci NORMSDIST: =NORMSDIST(-2.5)<\/td>\n<\/tr>\n
    3<\/td>\nV\u00fdsledkem je, \u017ee p\u0159ibli\u017en\u011b 0.61% produkt\u016f bude krat\u0161\u00edch ne\u017e 95 cm.<\/td>\n<\/tr>\n<\/table>\n
    P\u0159\u00edklad 2: P\u0159i testov\u00e1n\u00ed nov\u00e9ho l\u00e9\u010diva zji\u0161\u0165ujeme, zda maj\u00ed pacienti, kte\u0159\u00ed l\u00e9k u\u017e\u00edvali, statisticky v\u00fdznamn\u011b odli\u0161n\u00e9 v\u00fdsledky oproti kontroln\u00ed skupin\u011b. Rozd\u00edl v pr\u016fm\u011brech skupin je 3 s sm\u011brodatnou odchylkou 0.5, a pt\u00e1me se na p-hodnotu.<\/p>\n\n\n\n\n\n
    Krok<\/th>\nPostup<\/th>\n<\/tr>\n
    1<\/td>\nVypo\u010dteme z-sk\u00f3re: 3 \/ 0.5 = 6<\/td>\n<\/tr>\n
    2<\/td>\nPou\u017eijeme funkci NORMSDIST: =NORMSDIST(6)<\/td>\n<\/tr>\n
    3<\/td>\nFunkce n\u00e1m vr\u00e1t\u00ed hodnotu t\u00e9m\u011b\u0159 1, nazna\u010duj\u00edc\u00ed vysokou pravd\u011bpodobnost rozd\u00edlu mezi skupinami.<\/td>\n<\/tr>\n<\/table>\n
    Tyto p\u0159\u00edklady demonstruj\u00ed, jak m\u016f\u017ee b\u00fdt funkce NORMSDIST u\u017eite\u010dn\u00e1 pro statistickou anal\u00fdzu a rozhodov\u00e1n\u00ed v oblastech v\u00fdroby a v\u00fdzkumu.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed hodnotu standardn\u00edho norm\u00e1ln\u00edho sou\u010dtov\u00e9ho 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-5721","post","type-post","status-publish","format-standard","hentry","category-kompatibilita"],"acf":[],"yoast_head":"\nFunkce NORMSDIST v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije NORMSDIST u Excelu i Google tablicama. 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