{"id":5852,"date":"2026-10-07T19:30:37","date_gmt":"2026-10-07T17:30:37","guid":{"rendered":"https:\/\/skillagility.com\/en\/resources\/sample-size\/"},"modified":"2026-10-07T19:30:37","modified_gmt":"2026-10-07T17:30:37","password":"","slug":"stichprobengrose","status":"publish","type":"docs","link":"https:\/\/skillagility.com\/de\/resources\/sample-size\/","title":{"rendered":"Stichprobengr\u00f6\u00dfe"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Wie viele Daten sind genug? Die Formel zur Stichprobengr\u00f6\u00dfe gibt dir eine klare Antwort, damit du weder zu wenig noch zu viel erfasst. Schau dir das kurze Video an und arbeite dann mit dem Toolkit-PDF: Es erkl\u00e4rt die Methode, zeigt ein durchgerechnetes Beispiel und bietet dir eine leere Vorlage zum Ausf\u00fcllen.<\/p>\n\n\n\n<div class=\"wp-block-group ska-tk-video is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"ska-tk-label wp-block-paragraph\">Tool-Video<\/p>\n\n\n<p class=\"wp-block-paragraph\">Das kurze Tool-Video erscheint hier.<\/p>\n<\/div>\n\n\n        <div id=\"ep-gutenberg-content-fbfc417f1caf2f46803e28d2a499dcb4\" class=\"ep-gutenberg-content aligncenter ep-percentage-width   ep-content-protection-disabled\" data-embed-type=\"PDF\" data-embed-url=\"https:\/\/skillagility.com\/wp-content\/uploads\/2026\/10\/Sample-Size_Toolkit_DE.pdf\">\n            <div class=\"embedpress-inner-iframe emebedpress-unit-percent ep-doc-fbfc417f1caf2f46803e28d2a499dcb4\" style=\"max-width:100%\" id=\"embedpress-pdf-sample-size-en\">\n                <div >\n                    <div class=\"ep-embed-content-wraper\"><div class=\"position-right-wraper gutenberg-pdf-wraper\"><iframe title=\"Stichprobenumfang_Toolkit_DE\" class=\"embedpress-embed-document-pdf embedpress-pdf-sample-size-en\" style=\"width:100%;height:640px; max-width:100%; display: inline-block\" src=\"https:\/\/skillagility.com\/wp-content\/plugins\/embedpress\/assets\/pdf\/web\/viewer.html?&#038;file=https%3A%2F%2Fskillagility.com%2Fwp-content%2Fuploads%2F2026%2F10%2FSample-Size_Toolkit_DE.pdf#key=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\" frameborder=\"0\" oncontextmenu=\"return false;\"><\/iframe> <\/div><\/div>                <\/div>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 id=\"in-short\" class=\"wp-block-heading\">Die Stichprobengr\u00f6\u00dfe kurz erkl\u00e4rt<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>W\u00e4hle das Konfidenzniveau.<\/strong> 95 % ist der \u00fcbliche Standard. Dann gilt Z = 1,96.<\/li>\n\n\n<li><strong>Lege die Fehlermarge fest.<\/strong> Wie genau muss das Ergebnis sein? Zum Beispiel \u00b1 5 Prozentpunkte.<\/li>\n\n\n<li><strong>Sch\u00e4tze p.<\/strong> Nutze eine fr\u00fchere Quote, falls vorhanden, ansonsten 0,5 f\u00fcr das sichere Maximum.<\/li>\n\n\n<li><strong>Berechne n und runde auf.<\/strong> Setze die Zahlen in die Formel ein und runde immer auf.<\/li>\n\n\n<li><strong>Plane eine Zufallsstichprobe.<\/strong> Verteile die Stichprobe \u00fcber Tage, Schichten und Produkte, damit sie das Ganze repr\u00e4sentiert.<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-group ska-tk-key is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"ska-tk-label wp-block-paragraph\">Das Wichtigste auf einen Blick<\/p>\n\n\n<ul class=\"wp-block-list\">\n<li>Mehr Sicherheit oder Pr\u00e4zision erfordert mehr Daten.<\/li>\n\n\n<li>95 % Konfidenz: Z = 1,96.<\/li>\n\n\n<li>Unbekannter Anteil: Nutze p = 0,5.<\/li>\n\n\n<li>Die Stichprobe muss zuf\u00e4llig und repr\u00e4sentativ sein.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"ska-tk-related wp-block-paragraph\"><strong>Verwandte Tools:<\/strong> <a href=\"https:\/\/skillagility.com\/de\/ressourcen\/datenerfassungsplan\/\">Datenerfassungsplan<\/a> \u00b7 <a href=\"https:\/\/skillagility.com\/de\/ressourcen\/baseline-sigma-level\/\">Baseline &amp; Sigma-Niveau<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>How much data is enough? The sample size formula gives you a clear answer, so you collect neither too little nor too much. Watch the short video, then work with the toolkit PDF: it explains the method, shows a worked example and gives you a blank template to fill in. Tool video The short tool [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"doc_category":[154],"doc_tag":[],"knowledge_base":[151],"class_list":["post-5852","docs","type-docs","status-publish","hentry","doc_category-02-measure","knowledge_base-b303-lean-six-sigma"],"year_month":"2026-10","word_count":166,"total_views":"2","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"Stefan Lachmann","author_nicename":"stefan-lachmann","author_url":"https:\/\/skillagility.com\/de\/author\/stefan-lachmann\/"},"doc_category_info":[{"term_name":"02 MEASURE","term_url":"https:\/\/skillagility.com\/de\/resources\/b303-lean-six-sigma\/02-measure\/"}],"doc_tag_info":[],"knowledge_base_info":[{"term_name":"B303 Lean Six Sigma","term_url":"https:\/\/skillagility.com\/de\/resources\/b303-lean-six-sigma\/","term_slug":"b303-lean-six-sigma"}],"knowledge_base_slug":["b303-lean-six-sigma"],"_links":{"self":[{"href":"https:\/\/skillagility.com\/de\/wp-json\/wp\/v2\/docs\/5852","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/skillagility.com\/de\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/skillagility.com\/de\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/skillagility.com\/de\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/skillagility.com\/de\/wp-json\/wp\/v2\/comments?post=5852"}],"version-history":[{"count":0,"href":"https:\/\/skillagility.com\/de\/wp-json\/wp\/v2\/docs\/5852\/revisions"}],"wp:attachment":[{"href":"https:\/\/skillagility.com\/de\/wp-json\/wp\/v2\/media?parent=5852"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/skillagility.com\/de\/wp-json\/wp\/v2\/doc_category?post=5852"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/skillagility.com\/de\/wp-json\/wp\/v2\/doc_tag?post=5852"},{"taxonomy":"knowledge_base","embeddable":true,"href":"https:\/\/skillagility.com\/de\/wp-json\/wp\/v2\/knowledge_base?post=5852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}