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

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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

Descripción: Learning Technology Specialist Honours Psychology Test sobre Lesson 11 , creado por Eva Bonning el 11/04/2021.
Autor: Eva Bonning
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