All Questions
Tagged with wilcoxon-signed-rank mean
9
questions
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Is it correct to use Wilcoxon signed rank test on mean data?
I have X individuals and 2 category of interest (category A and category B) per individual. The problem is that is have a variability in the number of measures I have between individuals and between ...
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Appropriate statistical test for group discrete data
I would like to ask what would be the appropriate test to compare mean/median of groups with different number of samples for example:
A: 5%, 10%
B: 3%, 2%, 10%, 12%
C: 20%,25%, 30:
D: 40%, 30%, 25%, ...
3
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2
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Statistically Comparing the Similarity Between Lists (e.g Food Preferences)
I have the following question: Are there any statistical methods (e.g. hypothesis tests) that allow you to compare the order of two different lists?
Suppose there are two students : John and Sarah. ...
1
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1
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30
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Can I use `wilcox_test()` to compar multiple means without `friedman_test()`?
In this example,use friedman_test() first to find significant difference between group,and then use ...
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150
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Wilcoxon signed rank test - interpretation
I have 6 dependent variables that were measured on a 5 point Likert scale (treated as interval here). I want to test if their means differ significantly from the midpoint 3.
As the normality ...
- 13
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203
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Correlation between two samples of different size
I have all price quotes from a stock (to be more precisely CSAN3 from Ibovespa Exchange - Brazil) from 2010 to 2015. I was asked to get the correlation from the log returns year-by-year. This is ...
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1
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0
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231
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Do I need to use weighted means with the Wilcoxon signed rank test?
I have 22 patients. They have been measured pre and post treatment. There are 3 measurements per patient before treatment (pre baseline), and four measurements after treatment (post baseline). There ...
user14650
3
votes
1
answer
145
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One-sample median test:: Signrank seems unsuitable
I have some data on successive bets made by customers. I want to see whether there is a statistically significant change in bet stake with each subsequent bet.
The data is skewed, so I have ...
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2
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How to report results from Friedman's test including post-hoc results
I have performed comparison of repeated measures for a group using Friedman’s test (K-related-samples test) and additional post-hoc analysis with Wilcoxon signed-rank test and Bonferroni correction. I ...
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