{"id":5813,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/smodch-vyber\/"},"modified":"2021-02-26T10:03:42","modified_gmt":"2021-02-26T10:03:42","slug":"stdev","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/stdev\/","title":{"rendered":"SMODCH.V\u00ddB\u011aR"},"content":{"rendered":"

\u00davod do anal\u00fdzy variability dat<\/h2>\n

Funkce SMODCH.V\u00ddB\u011aR<\/strong> v Microsoft Excel, a jej\u00ed ekvivalent STDEV.S<\/strong> v Google Sheets, pat\u0159\u00ed mezi \u010dasto vyu\u017e\u00edvan\u00e9 statistick\u00e9 n\u00e1stroje. Tato funkce slou\u017e\u00ed k v\u00fdpo\u010dtu odhadovan\u00e9 sm\u011brodatn\u00e9 odchylky zaj\u00edman\u00e9ho vzorku. Sm\u011brodatn\u00e1 odchylka je statistick\u00e1 m\u00edra, kter\u00e1 ukazuje m\u00edru variability datov\u00fdch hodnot ve vzorku oproti jejich pr\u016fm\u011brn\u00e9 hodnot\u011b.<\/p>\n

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

Syntaxe funkce je v obou aplikac\u00edch podobn\u00e1:<\/p>\n

Excel:<\/b> =SMODCH.V\u00ddB\u011aR(cislo1; [cislo2]; ...) Google Sheets:<\/b> =STDEV.S(value1, [value2, ...])<\/code><\/pre>\n
Tyto hodnoty cislo1; cislo2; ...<\/code> p\u0159edstavuj\u00ed a\u017e 255 \u010d\u00edseln\u00fdch argument\u016f, kter\u00e9 mohou b\u00fdt jednotliv\u00e1 \u010d\u00edsla, pole \u010d\u00edsel, nebo odkazy na bu\u0148ky obsahuj\u00edc\u00ed \u010d\u00edsla.<\/p>\n\n\n\n
Parametr<\/th>\nPopis<\/th>\n<\/tr>\n
cislo1, cislo2, …<\/td>\n\u010c\u00edseln\u00e9 hodnoty nebo oblasti bun\u011bk, ze kter\u00fdch je vypo\u010d\u00edt\u00e1na sm\u011brodatn\u00e1 odchylka.<\/td>\n<\/tr>\n<\/table>\n
P\u0159\u00edklad v praxi<\/h2>\n
P\u0159edpokl\u00e1dejme, \u017ee m\u00e1me data o testov\u00fdch v\u00fdsledc\u00edch skupiny student\u016f a chceme zanalyzovat rozpt\u00fdlenost t\u011bchto v\u00fdsledk\u016f. Zad\u00e1n\u00ed hodnot m\u016f\u017ee vypadat n\u00e1sledovn\u011b:<\/p>\n
    \n
  • 68<\/li>\n
  • 75<\/li>\n
  • 80<\/li>\n
  • 71<\/li>\n
  • 88<\/li>\n<\/ul>\n
    Funkci pou\u017eijeme takto:<\/p>\n
    =SMODCH.V\u00ddB\u011aR(68; 75; 80; 71; 88)<\/code><\/pre>\n
    V tomto p\u0159\u00edpad\u011b funkce vrac\u00ed odhad sm\u011brodatn\u00e9 odchylky t\u011bchto testov\u00fdch v\u00fdsledk\u016f.<\/p>\n
    Dal\u0161\u00ed p\u0159\u00edklad aplikace<\/h2>\n
    Pochopen\u00ed variace m\u011bs\u00ed\u010dn\u00edho obratu firmy m\u016f\u017ee b\u00fdt kl\u00ed\u010dov\u00e9. P\u0159edstavme si \u00fadaje o m\u011bs\u00ed\u010dn\u00edm obratu firmy za uplynul\u00fd rok (v tis\u00edc\u00edch):<\/p>\n
      \n
    • 490<\/li>\n
    • 432<\/li>\n
    • 458<\/li>\n
    • 500<\/li>\n
    • 512<\/li>\n
    • 495<\/li>\n
    • 480<\/li>\n
    • 510<\/li>\n<\/ul>\n
      Data um\u00edst\u00edme do bu\u0148ky A1 a\u017e A8 a v jin\u00e9 bu\u0148ce pou\u017eijeme:<\/p>\n
      =SMODCH.V\u00ddB\u011aR(A1:A8)<\/code><\/pre>\n
      Tato funkce poskytne odhad sm\u011brodatn\u00e9 odchylky m\u011bs\u00ed\u010dn\u00edho obratu, \u010d\u00edm\u017e n\u00e1m umo\u017en\u00ed l\u00e9pe pochopit, jak\u00e9 jsou m\u011bs\u00ed\u010dn\u00ed fluktuace obratu.<\/p>\n
      Z\u00e1v\u011br<\/h2>\n
      Pravideln\u00e9 vyu\u017e\u00edv\u00e1n\u00ed funkce SMODCH.V\u00ddB\u011aR<\/strong> v Excelu nebo STDEV.S<\/strong> v Google Sheets umo\u017e\u0148uje d\u016fkladn\u00e9 statistick\u00e9 zpracov\u00e1n\u00ed dat. Analyza sm\u011brodatn\u00e9 odchylky je fundament\u00e1ln\u00ed ve snaze pochopit, jak se data rozkl\u00e1daj\u00ed kolem sv\u00e9ho pr\u016fm\u011bru, co\u017e je kl\u00ed\u010dov\u00e9 v mnoha oblastech, od finan\u010dn\u00edho hodnocen\u00ed a\u017e po v\u00fdzkum vzd\u011bl\u00e1vac\u00edch metod.<\/p>\n","protected":false},"excerpt":{"rendered":"
      Vypo\u010dte sm\u011brodatnou odchylku v\u00fdb\u011bru<\/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-5813","post","type-post","status-publish","format-standard","hentry","category-kompatibilita"],"acf":[],"yoast_head":"\nFunkce STDEV (SMODCH.V\u00ddB\u011aR) v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije STDEV (SMODCH.V\u00ddB\u011aR) u Excelu i Google tablicama. 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