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Samenvatting interferentiële statistiek SPSS
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Cursus inleiding in de statistiek: interferentiële statistiek SPSS
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INTERFERENTIËLE STATISTIEK➔ schatten, toetsen
Begrijpen van de kwaliteit van de schatters
STEEKPROEF UIT POPULATIE HALEN
1. Data
2. Select cases
3. Random sample of cases
a. Approximately = ongeveer OF exactly
4. Output: filter out unselected cases
Data: degene die niet meedoen zijn doorstreept
Per steekproef is het gemiddelde en SD een beetje anders dan het populatie gemiddelde en SD
Hoe groter steekproef, hoe meer de ware populatie zal benaderd worden
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