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Samenvatting boek Data-Analyse UVT

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Samenvatting boek Data-Analyse UVT 1e jaars bedrijfskunde

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SAMENVATTING BOEK
INLEIDING DATA-
ANALYSE UVT

,Hoofdstuk 1 ............................................................................................................................5
1.1 Wat is Statistiek? ..........................................................................................................5
1.2 Toepassingen van Statistiek ..........................................................................................5
1.3 Beschrijvende en Inferentiële Statistiek .........................................................................6
1.4 Populatie en Steekproef ................................................................................................6
1.5 Schalen van Meting ......................................................................................................7
1.6 Statistische Valstrikken en Ethiek .................................................................................7
Hoofdstuk 2 ............................................................................................................................8
2.1 Gegevensverzameling en Datatypes ..............................................................................8
2.2 Methoden voor Gegevensverzameling...........................................................................8
2.3 Organiseren van Gegevens ............................................................................................8
2.4 Grafische Presentatie van Gegevens ..............................................................................9
2.5 Samenvattende Maatstaven voor Gegevens ................................................................. 10
2.6 Statistische Valstrikken bij Gegevensverzameling ....................................................... 10
Conclusie .......................................................................................................................... 11
Hoofdstuk 3 .......................................................................................................................... 12
3.1 Inleiding tot Beschrijvende Statistiek ..........................................................................12
3.2 Maatstaven voor Centrale Tendens.............................................................................. 12
3.3 Maatstaven voor Spreiding .......................................................................................... 13
3.4 Scheefheid en Kurtosis................................................................................................ 14
3.5 Gebruik van Beschrijvende Statistiek in Besluitvorming .............................................14
3.6 Statistische Valstrikken en Misinterpretaties ............................................................... 14
Conclusie .......................................................................................................................... 14
Hoofdstuk 4 .......................................................................................................................... 16
4.1 Inleiding tot Kansrekening .......................................................................................... 16
4.2 Kansmodellen en Basisregels ...................................................................................... 16
4.3 Voorwaardelijke Kans en Onafhankelijkheid .............................................................. 17
4.4 Discrete en Continue Kansverdelingen ........................................................................ 17
4.5 Verwachtingswaarde en Variantie van een Kansverdeling ...........................................18
4.6 Toepassingen van Kansrekening in Bedrijfskunde en Economie ................................. 18
4.7 Veelvoorkomende Statistische Valstrikken ................................................................. 18
Conclusie .......................................................................................................................... 19
Hoofdstuk 6 .......................................................................................................................... 20
6.1 Inleiding tot Steekproeven .......................................................................................... 20
6.2 Steekproefmethoden ................................................................................................... 20
6.3 Steekproevenverdelingen ............................................................................................ 21
6.4 De Steekproevenverdeling van de Proportie ................................................................ 21

, 6.5 Bias en Steekproeffouten ............................................................................................ 22
6.6 Toepassingen in Bedrijfskunde en Economie .............................................................. 22
6.7 Veelvoorkomende Statistische Valstrikken ................................................................. 22
Conclusie .......................................................................................................................... 23
Hoofdstuk 7 .......................................................................................................................... 24
7.1 Inleiding tot Schattingstheorie ..................................................................................... 24
7.2 Puntschatters en Eigenschappen .................................................................................. 24
7.3 Intervalschattingen en Betrouwbaarheidsintervallen .................................................... 25
7.4 Toepassingen van Schattingstheorie in Bedrijfskunde en Economie ............................ 26
7.5 Veelvoorkomende Statistische Valstrikken ................................................................. 26
Conclusie .......................................................................................................................... 26
Hoofdstuk 8 .......................................................................................................................... 28
8.1 Inleiding tot Hypothesetoetsing ................................................................................... 28
8.2 Formuleren van Hypothesen ....................................................................................... 28
8.3 Type I en Type II Fouten ............................................................................................ 28
8.4 Teststatistieken en Kritieke Waarden ..........................................................................29
8.5 p-waarde en Kritieke Waarde Methode ....................................................................... 29
8.6 Een- en Tweezijdige Hypothesetests ...........................................................................30
8.7 Toepassingen van Hypothesetoetsing ..........................................................................30
8.8 Veelvoorkomende Statistische Valstrikken ................................................................. 30
Conclusie .......................................................................................................................... 31
Hoofdstuk 9 .......................................................................................................................... 32
9.1 Inleiding tot Vergelijkingen tussen Twee Populaties ................................................... 32
9.2 Vergelijken van Twee Populatiegemiddelden .............................................................. 32
9.3 Vergelijken van Twee Populatieproporties .................................................................. 33
9.4 Vergelijken van Twee Varianties ................................................................................ 34
9.5 Betrouwbaarheidsintervallen voor het Verschil tussen Twee Populaties ...................... 34
9.6 Veelvoorkomende Fouten bij Vergelijkingen tussen Twee Populaties ......................... 34
Conclusie .......................................................................................................................... 35
Hoofdstuk 10 ........................................................................................................................ 36
10.1 Inleiding tot Toetsen met Meerdere Populaties .......................................................... 36
10.2 Waarom Geen Meerdere t-Toetsen? ..........................................................................36
10.3 Eenweg ANOVA (One-Way Analysis of Variance) .................................................. 36
10.4 Voorwaarden voor ANOVA...................................................................................... 37
10.5 Post-hoc Toetsen ....................................................................................................... 37
10.6 Tweeweg ANOVA (Two-Way ANOVA).................................................................. 38
10.7 Alternatieve Methoden voor Niet-Normale Data ....................................................... 38

, 10.8 Toepassingen van ANOVA in Bedrijfskunde en Economie ....................................... 38
10.9 Veelvoorkomende Statistische Valstrikken................................................................ 39
Conclusie .......................................................................................................................... 39
Hoofdstuk 11 ........................................................................................................................ 40
11.1 Inleiding tot Niet-Parametrische Statistiek ................................................................ 40
11.2 De Chi-Kwadratenverdeling ...................................................................................... 40
11.3 De Chi-Kwadraattoets voor Goedheid van Passing .................................................... 40
11.4 De Chi-Kwadraattoets voor Onafhankelijkheid ......................................................... 41
11.5 De Fisher Exact Test ................................................................................................. 42
11.6 De McNemar Test ..................................................................................................... 42
11.7 Andere Niet-Parametrische Tests .............................................................................. 42
11.8 Toepassingen van Niet-Parametrische Methoden ...................................................... 43
11.9 Veelvoorkomende Statistische Valstrikken................................................................ 43
Conclusie .......................................................................................................................... 43
Hoofdstuk 12 ........................................................................................................................ 44
12.1 Inleiding tot Correlatie en Regressie..........................................................................44
12.2 Correlatieanalyse ......................................................................................................44
12.3 Enkelvoudige Regressieanalyse................................................................................. 45
12.4 Meervoudige Regressieanalyse ................................................................................. 45
12.5 Assumpties van Lineaire Regressie ...........................................................................46
12.6 Toepassingen van Correlatie en Regressie ................................................................. 46
12.7 Veelvoorkomende Statistische Valstrikken................................................................ 46
Conclusie .......................................................................................................................... 46
Hoofdstuk 14 ........................................................................................................................ 47
14.1 Inleiding tot Tijdreeksanalyse ................................................................................... 47
14.2 Componenten van een Tijdreeks ............................................................................... 47
14.3 Methoden voor Tijdreeksanalyse ............................................................................... 47
14.4 Trendanalyse en Regressiemodellen ..........................................................................48
14.5 Seizoensmatige Correcties ........................................................................................ 49
14.6 Voorspellingen met Tijdreeksen ................................................................................ 49
14.7 Evalueren van Voorspellingsmodellen ......................................................................49
Conclusie .......................................................................................................................... 50
Hoofdstuk 15 ........................................................................................................................ 51
15.1 Inleiding tot Indexcijfers ........................................................................................... 51
15.2 Constructie van Indexcijfers ...................................................................................... 51
15.3 Prijsindexcijfers ........................................................................................................ 51
15.4 Kwantiteitsindexcijfers ............................................................................................. 52

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