{"id":5716,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/norm-dist\/"},"modified":"2021-02-26T10:00:10","modified_gmt":"2021-02-26T10:00:10","slug":"norm-dist","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/norm-dist\/","title":{"rendered":"NORM.DIST"},"content":{"rendered":"

Syntaxe a pou\u017eit\u00ed funkce pro norm\u00e1ln\u00ed distribuci<\/h2>\n

Funkce pro v\u00fdpo\u010det norm\u00e1ln\u00ed distribuce je esenci\u00e1ln\u00ed n\u00e1stroj v Excelu a Google Tabulk\u00e1ch pro statistiky a anal\u00fdzu dat. Tato funkce umo\u017e\u0148uje u\u017eivatel\u016fm zjistit hustotu pravd\u011bpodobnosti nebo kumulativn\u00ed distribu\u010dn\u00ed funkci pro zadanou hodnotu ve specifikovan\u00e9 norm\u00e1ln\u00ed distribuci. <\/p>\n

Syntaxe funkce v Excelu i Google Tabulk\u00e1ch je: <\/p>\n

NORM.DIST(x; st\u0159edn\u00ed hodnota; sm\u011brodatn\u00e1 odchylka; pravdivostn\u00ed hodnota)<\/code><\/pre>\n
    \n
  • x<\/code> – Hodnota, pro kterou chceme funkci vyhodnotit.<\/li>\n
  • st\u0159edn\u00ed hodnota<\/code> – St\u0159edn\u00ed hodnota (\u03bc) norm\u00e1ln\u00ed distribuce.<\/li>\n
  • sm\u011brodatn\u00e1 odchylka<\/code> – Sm\u011brodatn\u00e1 odchylka (\u03c3) distribuce, mus\u00ed b\u00fdt kladn\u00e9 \u010d\u00edslo.<\/li>\n
  • pravdivostn\u00ed hodnota<\/code> – Logick\u00e1 hodnota: Pokud je TRUE<\/code> (pravda), funkce vr\u00e1t\u00ed kumulativn\u00ed distribu\u010dn\u00ed funkci; pokud je FALSE<\/code> (nepravda), vr\u00e1t\u00ed funkce hustotu pravd\u011bpodobnosti.<\/li>\n<\/ul>\n
     P\u0159\u00edklad pou\u017eit\u00ed: <\/p>\n
    NORM.DIST(4; 3; 1.5; FALSE)<\/code><\/pre>\n
     V\u00fdsledkem bude hustota pravd\u011bpodobnosti pro hodnotu 4 v norm\u00e1ln\u00ed distribuci s pr\u016fm\u011brem 3 a sm\u011brodatnou odchylkou 1.5. <\/p>\n
    Praktick\u00e9 \u00fakoly<\/h2>\n
     M\u011bjme dva praktick\u00e9 p\u0159\u00edklady, kde m\u016f\u017eeme tuto funkci vyu\u017e\u00edt: <\/p>\n
    1. Srovn\u00e1n\u00ed dvou pracovn\u00edch v\u00fdkon\u016f<\/h3>\n
     Ve spole\u010dnosti jsou v\u00fdkony zam\u011bstnanc\u016f hodnoceny a zaznamen\u00e1ny s pr\u016fm\u011brem 100 bod\u016f a sm\u011brodatnou odchylkou 15. Chceme zjistit, jak pravd\u011bpodobn\u00e9 je z\u00edsk\u00e1n\u00ed score 130 bod\u016f nebo v\u00edce. <\/p>\n
    NORM.DIST(130; 100; 15; TRUE)<\/code><\/pre>\n
     V\u00fdsledek t\u00e9to funkce n\u00e1m d\u00e1 kumulativn\u00ed pravd\u011bpodobnost z\u00edsk\u00e1n\u00ed 130 bod\u016f nebo m\u00e9n\u011b (proto\u017ee je kumulativn\u00ed). Chceme-li zjistit pravd\u011bpodobnost vrcholn\u00e9ho v\u00fdkonu, ode\u010dteme tento v\u00fdsledek od 1, jeliko\u017e celkov\u00e1 pravd\u011bpodobnost mus\u00ed b\u00fdt 100% (nebo 1). P\u0159\u00edklad dokumentace: <\/p>\n
    1 - NORM.DIST(130; 100; 15; TRUE)<\/code><\/pre>\n
     Tato hodnota n\u00e1m \u0159\u00edk\u00e1 pravd\u011bpodobnost, \u017ee zam\u011bstnanec z\u00edsk\u00e1 130 bod\u016f nebo v\u00edce. <\/p>\n
    2. Zji\u0161t\u011bn\u00ed rozsahu b\u011b\u017en\u00e9ho sk\u00f3re<\/h3>\n
     Chceme zjistit, v jak\u00e9m rozmez\u00ed pad\u00e1 95% v\u0161ech v\u00fdkon\u016f, pokud v\u00edme, \u017ee data maj\u00ed norm\u00e1ln\u00ed distribuci. <\/p>\n
    NORM.DIST(mean - 2*std_dev; mean; std_dev; TRUE) NORM.DIST(mean + 2*std_dev; mean; std_dev; TRUE)<\/code><\/pre>\n
     Hodnota mean - 2*std_dev<\/code> a mean + 2*std_dev<\/code> znamen\u00e1, \u017ee se d\u00edv\u00e1me na oblast statisticky zn\u00e1mou jako 95% interval spolehlivosti pro b\u011b\u017en\u011b o\u010dek\u00e1van\u00e9 hodnoty. <\/p>\n
     V tomto p\u0159\u00edpad\u011b, kdyby byl pr\u016fm\u011br 100 a sm\u011brodatn\u00e1 odchylka 15: <\/p>\n
    NORM.DIST(70; 100; 15; TRUE) NORM.DIST(130; 100; 15; TRUE)<\/code><\/pre>\n
     Hodnoty, kter\u00e9 dostaneme, bychom interpretovali jako procento sk\u00f3re le\u017e\u00edc\u00ed mezi 70 a 130. <\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed hodnotu 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":[287],"tags":[],"class_list":["post-5716","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"\nFunkce NORM.DIST v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije NORM.DIST u Excelu i Google tablicama. 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