
Teste t, ANOVA e Wilcoxon
Authored by Antonio Mercer
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University
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O teste t é usado para:
Comparar mais de três grupos
Comparar duas médias
Analisar variâncias
Avaliar proporções
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quando você compara dados de antes e depois no mesmo grupo, qual teste t você deve usar?
t independente
t pareado
ANOVA
Wilcoxon
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual pressuposto é necessário para aplicar o teste t?
Dados categóricos
Distribuição normal
Dados nominais
Dados ausentes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se você tem três grupos, qual teste deve usar?
Teste t
Teste z
ANOVA
Wilcoxon
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O teste de Wilcoxon é utilizado quando:
As amostras são grandes
A distribuição é normal
Dados são pareados e não normais
Comparo três grupos
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O valor-p indica:
O desvio padrão dos dados
A chance da diferença ser real
A probabilidade da diferença ocorrer por acaso
O tamanho da amostra
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O teste de Wilcoxon é uma alternativa não paramétrica para:
ANOVA
Teste t independente
Teste t pareado
Teste F
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