{"id":10635,"date":"2025-07-15T13:34:50","date_gmt":"2025-07-15T13:34:50","guid":{"rendered":"https:\/\/functiontranslator.com\/skosnosc\/"},"modified":"2021-02-26T05:24:36","modified_gmt":"2021-02-26T05:24:36","slug":"skew","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/pl\/skew\/","title":{"rendered":"SKO\u015aNO\u015a\u0106"},"content":{"rendered":"<h2>Opis funkcji obliczaj\u0105cej sko\u015bno\u015b\u0107<\/h2>\n<p>Funkcja SKO\u015aNO\u015a\u0106 (SKEW w angielskiej wersji) w MS Excel jest u\u017cywana do obliczania sko\u015bno\u015bci, czyli miary asymetrii rozk\u0142adu prawdopodobie\u0144stwa danej zmiennej losowej wzgl\u0119dem jej \u015bredniej. Warto\u015b\u0107 sko\u015bno\u015bci pokazuje, jak dane s\u0105 roz\u0142o\u017cone na skali.<\/p>\n<p>Dodatnia sko\u015bno\u015b\u0107 oznacza, \u017ce &#8222;ogon&#8221; rozk\u0142adu rozci\u0105ga si\u0119 po prawej stronie \u015bredniej, natomiast ujemna sko\u015bno\u015b\u0107 wskazuje na jego rozci\u0105ganie po lewej stronie. Rozk\u0142ad symetryczny jest reprezentowany przez sko\u015bno\u015b\u0107 r\u00f3wn\u0105 zero.<\/p>\n<h2>Sk\u0142adnia i u\u017cycie<\/h2>\n<p>Funkcja SKO\u015aNO\u015a\u0106 w MS Excel i Google Sheets jest zdefiniowana w nast\u0119puj\u0105cy spos\u00f3b:<\/p>\n<pre> <code> SKO\u015aNO\u015a\u0106(numer1; [numer2]; ...) <\/code> <\/pre>\n<ul>\n<li><strong>numer1, numer2, &#8230;<\/strong> &#8211; to liczby b\u0105d\u017a zakresy zawieraj\u0105ce liczby, kt\u00f3re maj\u0105 by\u0107 u\u017cyte do obliczenia sko\u015bno\u015bci. Nale\u017cy poda\u0107 co najmniej trzy warto\u015bci.<\/li>\n<\/ul>\n<p>Przyk\u0142ad uzycia:<\/p>\n<pre> <code> =SKO\u015aNO\u015a\u0106(A1:A10) <\/code> <\/pre>\n<p>Ten przyk\u0142ad oblicza sko\u015bno\u015b\u0107 dla danych znajduj\u0105cych si\u0119 w kom\u00f3rkach od A1 do A10.<\/p>\n<h2>Praktyczne zastosowanie funkcji SKO\u015aNO\u015aCI<\/h2>\n<h2>Zastosowanie 1: Analiza zwrot\u00f3w inwestycyjnych<\/h2>\n<p>Za\u0142\u00f3\u017cmy, \u017ce posiadamy dane o codziennych zwrotach z inwestycji w kom\u00f3rkach od A1 do A30. U\u017cywaj\u0105c funkcji SKO\u015aNO\u015a\u0106, mo\u017cemy oceni\u0107 charakter rozk\u0142adu tych zwrot\u00f3w:<\/p>\n<pre> <code> =SKO\u015aNO\u015a\u0106(A1:A30) <\/code> <\/pre>\n<p>Je\u015bli sko\u015bno\u015b\u0107 jest dodatnia, sugeruje to, \u017ce wysokie zwroty powy\u017cej \u015bredniej s\u0105 bardziej powszechne, co mo\u017ce wskazywa\u0107 na potencjalnie wi\u0119ksze, ale rzadsze zyski. Ujemna sko\u015bno\u015b\u0107 natomiast sugeruje cz\u0119stsze, ale mniejsze straty.<\/p>\n<h2>Zastosowanie 2: Ocena wynik\u00f3w test\u00f3w<\/h2>\n<p>Za\u0142\u00f3\u017cmy, \u017ce dysponujemy wynikami test\u00f3w 40 uczni\u00f3w z zakresu B1:B40. Analiza tych wynik\u00f3w za pomoc\u0105 funkcji SKO\u015aNO\u015a\u0106 mo\u017ce pom\u00f3c zrozumie\u0107 ich rozk\u0142ad:<\/p>\n<pre> <code> =SKO\u015aNO\u015a\u0106(B1:B40) <\/code> <\/pre>\n<p>Wynik bliski zeru wskazuje na symetryczny rozk\u0142ad wynik\u00f3w, co oznacza r\u00f3wny podzia\u0142 uczni\u00f3w z wynikami powy\u017cej i poni\u017cej \u015bredniej. Dodatnia lub ujemna sko\u015bno\u015b\u0107 pomo\u017ce zidentyfikowa\u0107 tendencje do osi\u0105gania wynik\u00f3w wy\u017cszych lub ni\u017cszych ni\u017c \u015brednia.<\/p>\n<p>W obu przypadkach, analiza sko\u015bno\u015bci dostarcza cennych informacji, kt\u00f3re mog\u0105 wspiera\u0107 proces decyzyjny lub interpretacj\u0119 danych, co sprawia, \u017ce jest ona niezast\u0105pionym narz\u0119dziem w zaawansowanej analizie danych.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zwraca sko\u015bno\u015b\u0107 rozk\u0142adu<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[428],"tags":[],"class_list":["post-10635","post","type-post","status-publish","format-standard","hentry","category-statystyczne"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Funkcja SKEW (SKO\u015aNO\u015a\u0106) w Excelu \u2013 jak dzia\u0142a, przyk\u0142ady u\u017cycia i sk\u0142adnia<\/title>\n<meta name=\"description\" content=\"Opis funkcji SKEW (SKO\u015aNO\u015a\u0106) w Excelu. 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