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Samenvatting Statistiek 2: Software (SPSS): oefening Ziekenhuis
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Volledig uitgewerkte oefening (Ziekenhuis) + screenshots
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Statistiek II: Software; oefening ziekenhuisNominaal
Ratio
Ratio
Nominaal
Nominaal
Ratio
Ordinaal
Nominaal
Nominaal
Ordinaal
In de sav-file staat er voor elke variabele dat het om een nominale schaal gaat. Dit is niet voor
alle variabelen correct. Aan de hand van de gegeven informatie moet je zelf beslissen op welk
niveau de variabele gemeten werd. Je hoeft de sav-file niet aan te passen.
1. Wat is de gemiddelde leeftijd (in jaren)?
Analyze à descriptive statistics à frequencies à statistics à mean
(display frequency tables à is niet nodig in dit geval)
56.46
2. Wat is de mediane lichaamslengte (in cm) van de patiënten die opgenomen zijn op
de afdeling oncologie of orthopedie?
Data à select cases à if condition is satisfied à if
, (‘of’ is een rechte streep in SPSS)
Analyze à descriptive statistics à frequencies à statistics à median
175
(à niet vergeten select cases af te zetten! Ook pasten EN runnen!)
3. Maak de boxplot van de variabele ‘tevreden’. Geef hieronder de syntax.
(à pas op: een boxplot is pas vanaf ordinale schaal à hier tevreden = ordinaal, dus ok)
Graphs à legacy dialogs à boxplot à simple/clustered (als de ene niet werkt gebruik je
de andere)
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