{"id":5717,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/normdist-funkce\/"},"modified":"2021-02-26T10:00:11","modified_gmt":"2021-02-26T10:00:11","slug":"normdist","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/normdist\/","title":{"rendered":"NORMDIST"},"content":{"rendered":"<h2>Popis a syntaxe funkce<\/h2>\n<p>Funkce NORMDIST v MS Excel a Google Sheets umo\u017e\u0148uje vypo\u010d\u00edtat pravd\u011bpodobnostn\u00ed distribuci norm\u00e1ln\u00edho rozd\u011blen\u00ed. Tato funkce je kl\u00ed\u010dov\u00e1 v oblasti statistiky pro anal\u00fdzu dat, kter\u00e1 se \u0159\u00edd\u00ed norm\u00e1ln\u00edm rozd\u011blen\u00edm, \u010dasto odkazovan\u00fdm jako Gaussovo rozd\u011blen\u00ed.<\/p>\n<p>Syntaxe funkce je n\u00e1sleduj\u00edc\u00ed:<\/p>\n<p><code>NORMDIST(x; st\u0159edn\u00ed hodnota; sm\u011brodatn\u00e1 odchylka; kumulativn\u00ed)<\/code><\/p>\n<ul>\n<li><strong>x<\/strong> &#8211; hodnota, pro ni\u017e se distribuce vypo\u010dte.<\/li>\n<li><strong>st\u0159edn\u00ed hodnota<\/strong> &#8211; pr\u016fm\u011br distribuce.<\/li>\n<li><strong>sm\u011brodatn\u00e1 odchylka<\/strong> &#8211; standardn\u00ed odchylka distribuce.<\/li>\n<li><strong>kumulativn\u00ed<\/strong> &#8211; logick\u00e1 hodnota, kde TRUE znamen\u00e1 vypo\u010det kumulativn\u00ed distribu\u010dn\u00ed funkce a FALSE v\u00fdpo\u010det hustoty pravd\u011bpodobnosti.<\/li>\n<\/ul>\n<p>P\u0159\u00edklad pou\u017eit\u00ed:<\/p>\n<pre><code>=NORMDIST(4; 3.5; 1.2; TRUE)<\/code><\/pre>\n<p>Tento p\u0159\u00edklad spo\u010d\u00edt\u00e1 kumulativn\u00ed distribuci pro hodnotu 4, s pr\u016fm\u011brnou hodnotou 3.5 a standardn\u00ed odchylkou 1.2.<\/p>\n<h2>Praktick\u00e9 aplikace<\/h2>\n<p>Funkce NORMDIST nach\u00e1z\u00ed uplatn\u011bn\u00ed v mnoha oblastech, jako je statistick\u00e1 anal\u00fdza a predikce zalo\u017een\u00e9 na pravd\u011bpodobnostn\u00edch modelech. Zde jsou dva typick\u00e9 p\u0159\u00edklady, kde lze funkci \u00fa\u010dinn\u011b vyu\u017e\u00edt.<\/p>\n<h2>Anal\u00fdza v\u00fdsledk\u016f test\u016f<\/h2>\n<p>M\u011bjme data o sk\u00f3re test\u016f student\u016f a pot\u0159ebujeme ur\u010dit, kolik procent student\u016f dos\u00e1hlo sk\u00f3re lep\u0161\u00edho ne\u017e zadan\u00e9 \u010d\u00edslo. Nap\u0159\u00edklad st\u0159edn\u00ed hodnota sk\u00f3re je 72 a sm\u011brodatn\u00e1 odchylka 15. Pro spo\u010d\u00edt\u00e1n\u00ed procenta student\u016f, jejich\u017e sk\u00f3re p\u0159evy\u0161uje 85, pou\u017eijeme tento vzorec:<\/p>\n<pre><code>=1 - NORMDIST(85; 72; 15; TRUE)<\/code><\/pre>\n<p>V\u00fdsledkem je, \u017ee p\u0159ibli\u017en\u011b 10.56 % student\u016f dos\u00e1hlo lep\u0161\u00edch v\u00fdsledk\u016f ne\u017e 85 bod\u016f.<\/p>\n<h2>Porovn\u00e1n\u00ed prodejn\u00edch v\u00fdsledk\u016f<\/h2>\n<p>V p\u0159\u00edpad\u011b, \u017ee disponujeme daty o lo\u0148sk\u00fdch prodej\u00edch a chceme zjistit, jak \u010dasto byly prodeje nad pr\u016fm\u011brem, m\u016f\u017eeme postupovat takto: Pr\u016fm\u011brn\u00e1 prodejn\u00ed hodnota je 200 jednotek a standardn\u00ed odchylka 50. Chceme-li zjistit, kolik procent prodej\u016f p\u0159es\u00e1hlo 250 jednotek, pou\u017eijeme n\u00e1sleduj\u00edc\u00ed v\u00fdraz:<\/p>\n<pre><code>=1 - NORMDIST(250; 200; 50; TRUE)<\/code><\/pre>\n<p>Anal\u00fdza ukazuje, \u017ee p\u0159ibli\u017en\u011b 30.85 % prodej\u016f bylo vy\u0161\u0161\u00edch ne\u017e 250 jednotek.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>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":[289],"tags":[],"class_list":["post-5717","post","type-post","status-publish","format-standard","hentry","category-kompatibilita"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Funkce NORMDIST v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije NORMDIST u Excelu i Google tablicama. 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