Formules SPSS & Statistiek
Inhoud
Formules SPSS & Statistiek.....................................................................................................................1
Relatieve frequenties (w2)..................................................................................................................2
Cumulatieve frequenties (w2)............................................................................................................2
Frequentiedichtheid (w2)...................................................................................................................2
Modus (w2)........................................................................................................................................3
Mediaan (w2).....................................................................................................................................3
Gemiddelde (w2)................................................................................................................................4
Modale klasse (w2).............................................................................................................................5
Mediane klasse (w2)...........................................................................................................................5
Gemiddelde gegroepeerde gegevens (w2).........................................................................................5
Quiz....................................................................................................................................................5
Variantie (w3).....................................................................................................................................6
Variatiecoëfficiënt (w3)......................................................................................................................8
Kwartielen (w3)..................................................................................................................................9
Interkwartielafstand/ middenspreiding (w3)......................................................................................9
Outlier (w3)........................................................................................................................................9
Quiz..................................................................................................................................................10
Celfrequentie (w4)............................................................................................................................10
Nul- en alternatieve hypothese (w4)................................................................................................11
5 stappen waarde 2 (w4)...............................................................................................................11
Stap 1. Bepaal de nulhypothese en de alternatieve hypothese....................................................11
Stap 2. Bereken de waarde van x2 toetsingsgrootheid.................................................................11
Stap 3. Specificeer het significantieniveau en bepaal de kritieke waarde....................................12
Stap 4. Pas de beslissingsregel toe................................................................................................13
Stap 5. Rapporteer de conclusie in begrijpelijk Nederlands.........................................................13
Cramér’s V (w4)................................................................................................................................13
Richtingscoëfficiënt (w6)..................................................................................................................14
Regressielijn (w6)..............................................................................................................................14
Correlatiecoëfficiënt (w6).................................................................................................................14
, Relatieve frequenties (w2)
Cumulatieve frequenties (w2)
Frequentiedichtheid (w2)
= absolute frequentie / klassenbreedte
Klassenbreedte = bovengrens- ondergrens
Klasse middelpunt = (ondergrens + bovengrens) / 2
Absolute frequentie = frequentiedichtheid x klassenbreedte
Inhoud
Formules SPSS & Statistiek.....................................................................................................................1
Relatieve frequenties (w2)..................................................................................................................2
Cumulatieve frequenties (w2)............................................................................................................2
Frequentiedichtheid (w2)...................................................................................................................2
Modus (w2)........................................................................................................................................3
Mediaan (w2).....................................................................................................................................3
Gemiddelde (w2)................................................................................................................................4
Modale klasse (w2).............................................................................................................................5
Mediane klasse (w2)...........................................................................................................................5
Gemiddelde gegroepeerde gegevens (w2).........................................................................................5
Quiz....................................................................................................................................................5
Variantie (w3).....................................................................................................................................6
Variatiecoëfficiënt (w3)......................................................................................................................8
Kwartielen (w3)..................................................................................................................................9
Interkwartielafstand/ middenspreiding (w3)......................................................................................9
Outlier (w3)........................................................................................................................................9
Quiz..................................................................................................................................................10
Celfrequentie (w4)............................................................................................................................10
Nul- en alternatieve hypothese (w4)................................................................................................11
5 stappen waarde 2 (w4)...............................................................................................................11
Stap 1. Bepaal de nulhypothese en de alternatieve hypothese....................................................11
Stap 2. Bereken de waarde van x2 toetsingsgrootheid.................................................................11
Stap 3. Specificeer het significantieniveau en bepaal de kritieke waarde....................................12
Stap 4. Pas de beslissingsregel toe................................................................................................13
Stap 5. Rapporteer de conclusie in begrijpelijk Nederlands.........................................................13
Cramér’s V (w4)................................................................................................................................13
Richtingscoëfficiënt (w6)..................................................................................................................14
Regressielijn (w6)..............................................................................................................................14
Correlatiecoëfficiënt (w6).................................................................................................................14
, Relatieve frequenties (w2)
Cumulatieve frequenties (w2)
Frequentiedichtheid (w2)
= absolute frequentie / klassenbreedte
Klassenbreedte = bovengrens- ondergrens
Klasse middelpunt = (ondergrens + bovengrens) / 2
Absolute frequentie = frequentiedichtheid x klassenbreedte
