Statistik: Häufigkeit, Regressionsanalyse, Varianzanalyse, Indexbildung
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Studienarbeit aus dem Jahr 2012 im Fachbereich Mathematik - Statistik, Note: 1,0, Hochschule für angewandtes Management GmbH (Sportmanagement), Veranstaltung: Statistik, Sprache: Deutsch, Abstract: Aufgabe ist es, statistische Untersuchungen wie die Reliabilitätsanalyse, die Varianzanalyse oder die Regressionsanalyse anhand eines gemeinsam durch einen Fragebogen entworfenen Datensatz durchzuführen. Bevor ich allerdings ins Detail des Datensatzes und der statistischen Untersuchungen einsteige, möchte ich zuerst einmal den Begriff Statistik definieren. Hierfür nehme ich mir die Ausführungen von Josef Bleymüller, Günther Gehlert und Herbert Gülicher in ihrem Buch Statistik für Wirtschaftswissenschaftler zu Hilfe: "Heute wird das Wort Statistik im doppelten Sinn gebraucht: Einmal versteht man darunter quantitative Informationen über bestimmte Tatbestände schlechthin, wie z.B. die Bevölkerungsstatistik oder die Umsatzstatistik, zum anderen aber eine formale Wissenschaft, die sich mit den Methoden der Erhebung, Aufbereitung und Analyse numerischer Daten beschäftigt." Diese Definition zeigt dem Leser auf, dass unter dem Begriff Statistik nicht unisono das Gleiche verstanden wird. Obwohl sich wohl jeder, der sich schon einmal mit Statistik beschäftigt hat, ihrer Wirkungsweise und ihrer Bedeutung bewusst ist, besteht dem Volksmund nach auch eine andere Definition von Statistik: "Es gibt drei Arten von Lügen: einfache Lügen, Notlügen und Statistiken." Diese Aussage veranschaulicht, dass man Statistiken nicht zwingend Glauben schenken, sondern sie durchaus auch kritisch betrachten betrachten sollte und auf ihre Glaubwürdigkeit hin überprüfen sollte, sofern einem das als Laien möglich ist. Im Folgenden möchte ich nun mit einem durch einen Fragebogen erstellten Datensatz verschiedene Analysen durchführen und diese mit Grafiken und Ausführungen darstellen.
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