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Samenvatting Statistiek: Gedetailleerde handleiding voor JASP ( Independent Two-samples T-test) $5.77
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Samenvatting Statistiek: Gedetailleerde handleiding voor JASP ( Independent Two-samples T-test)
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  • Course
  • Statistiek
  • Institution
  • Hogeschool Gent (HoGent)

Gedetailleerde handleiding voor JASP waar stapgewijs de oefeningen uitgelegd worden en hoe je ze uitvoert op JASP. Aangezien het examen openboek is kan je deze handleiding meenemen en hoef je praktisch niet te leren voor dit vak. ENKEL VOOR Independent Two-samples T-test

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Document information

  • August 21, 2023
  • 2
  • 2023/2024
  • Summary

Subjects

  • campus schoonmeersen
  • schoonmeersen
  • statistiek
  • seppe trenson
  • hogent

Written for

  • Hogeschool Gent (HoGent)
  • Vastgoed
  • Statistiek
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Independent Two-sample T-test

1. Uitsplitsen per rover -> Grouping Variable
2. Independent Two-sample T-test: P-waarde bekijken (verschil niet significant want
>5%)
3. Mean (=Gem.) -> 6 mm verschil


4. Assumption Checks (2 belangrijke voorwaarden)

4.1 Normality check (zijn de gegevens normaal verdeeld?)

-> Rover 1: P-waarde is significant (>5%) -> niet normaal

=> Aangezien 1 vd meetreeksen niet normaal verdeeld zijn:

- 4.1.2 Mann-Whitney test (beroep op mediaan)
-> Wijken niet significant van elkaar af.

4.2 Spreiding testen (Zijn de gegevens normaal verspreid?)

-> 4.2.1 Equality of Variances test (Brown-Forsythe)
-> P-waarde voldoende hoog (> 5%) dus niets mis.

=> Als P-waarde bij test of Equality of Variances te laag is (< 5%), dan:
4.2.2 Welch test uitvoeren




Metingen vd 2 versch rovers onder elkaar geplaatst
en “Grouping Variable“ toegevoegd (R1 & R2)

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