October 2022
Intermediate to advanced
320 pages
6h 36m
German
Content preview from Statistik mit R Schnelleinstieg -- R einfach lernen in 14 Tagen
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Stichprobe mit Population vergleichen – Einstichproben-Tests
Mit diesem Abschnitt beginnt die eigentliche Statistik, die aus verschiedensten analytischen Tests besteht. Den Anfang machen die sog. Einstichproben-Tests. Je nach Formulierung sind sie imstande, zwei Dinge zu vergleichen:
Zum einen wird ein Lageparameter der Stichprobe mit einem Lageparameter der Grundgesamtheit verglichen. Beispiel: Das Einkommen der Stichprobe entspricht dem mittleren oder Medianeinkommen in ganz Deutschland.
Zum anderen wird der Lageparameter der Stichprobe als wahrer Wert für die Grundgesamtheit angenommen (sog. Proxy) und geprüft, ob jener einem vorgegebenen ...
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