What is a key difference between a sign test and a wilcoxon-rank test

The only assumption for a sign test is that data is ordinal, whereas a wilcoxon-rank test also requires data to come from a symmetrical distribution

A sign test is about the distribution of a population round a measure of central tendency whereas a wilcoxon-rank test is about the median

A sign test assumes that the data comes from a normally distributed population

A wilcoxon-rank test assumes that the data follows a chi-squared distribution

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Lesson 11

Eva Bonning 1 pergunta

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1What is a key difference between a sign test and a wilcoxon-rank test
1. AThe only assumption for a sign test is that data is ordinal, whereas a wilcoxon-rank test also requires data to come from a symmetrical distribution
2. BA sign test is about the distribution of a population round a measure of central tendency whereas a wilcoxon-rank test is about the median
3. CA sign test assumes that the data comes from a normally distributed population
4. DA wilcoxon-rank test assumes that the data follows a chi-squared distribution

Descrição: Learning Technology Specialist Honours Psychology Quiz sobre Lesson 11 , criado por Eva Bonning em 11-04-2021.
Autor: Eva Bonning
Idioma: English
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