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Chi 2


Go to solution Solved by Marcophage,

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  • Solution
Posted (edited)

Salut @norah.durand-bayle,

L'item est faux car la condition d'application est que tous les effectif attendus soit supérieur ou égal à 5, et non les effectifs observés.

Retiens-le car c'est récurrent. De même pour le test de student qui porte sur des échantillons mais dont les conditions de normalités et de variance s'appliquent à la population.

 

Bonnes révisions,

Edited by Marcophage

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