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gptkbp:instanceOf
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statistical analysis
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gptkbp:alsoKnownAs
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gptkb:Wilcoxon_rank-sum_test
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gptkbp:alternativeTo
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gptkb:independent_samples_t-test
distributions are not equal
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gptkbp:assumes
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independent samples
ordinal or continuous data
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gptkbp:canBe
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sample sizes are small
data are not normally distributed
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gptkbp:category
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nonparametric statistics
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gptkbp:compatibleWith
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gptkb:normal_distribution
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gptkbp:developedBy
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gptkb:Donald_Ransom_Whitney
gptkb:Henry_Mann
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gptkbp:field
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gptkb:medicine
biostatistics
economics
education
psychology
social sciences
statistics
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https://www.w3.org/2000/01/rdf-schema#label
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Mann-Whitney U test
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gptkbp:implementedIn
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gptkb:Python
gptkb:SAS
gptkb:SPSS
gptkb:Stata
R
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gptkbp:namedAfter
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gptkb:Donald_Ransom_Whitney
gptkb:Henry_Mann
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gptkbp:nullHypothesis
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distributions are equal
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gptkbp:output
|
p-value
U statistic
effect size
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gptkbp:publishedIn
|
1947
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gptkbp:relatedTo
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gptkb:Wilcoxon_signed-rank_test
gptkb:t-test
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gptkbp:statistic
|
U
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gptkbp:usedFor
|
comparing two independent samples
nonparametric hypothesis testing
testing whether distributions differ
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gptkbp:bfsParent
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gptkb:Student's_t-test
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gptkbp:bfsLayer
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5
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