Wilcoxon Signed-Rank Test

URI: https://gptkb.org/entity/Wilcoxon_Signed-Rank_Test
GPTKB entity
Statements (29)
Predicate Object
gptkbp:instanceOf statistical analysis
gptkbp:alternativeTo gptkb:paired_Student's_t-test
median difference between pairs is not zero
gptkbp:appliesTo small sample sizes
large sample sizes
gptkbp:assumes data are measured at least on an ordinal scale
data are paired and come from the same population
gptkbp:category non-parametric test
gptkbp:compatibleWith gptkb:normal_distribution
gptkbp:field gptkb:medicine
biostatistics
psychology
social sciences
statistics
https://www.w3.org/2000/01/rdf-schema#label Wilcoxon Signed-Rank Test
gptkbp:introducedIn 1945
gptkbp:namedAfter gptkb:Frank_Wilcoxon
gptkbp:nullHypothesis median difference between pairs is zero
gptkbp:relatedTo gptkb:Wilcoxon_rank-sum_test
gptkb:Mann-Whitney_U_test
gptkbp:software gptkb:SPSS
gptkb:Python_(scipy.stats)
R
gptkbp:statistic sum of signed ranks
gptkbp:usedFor comparing two related samples
matched samples
repeated measurements on a single sample
gptkbp:bfsParent gptkb:Nonparametric_Statistical_Methods
gptkbp:bfsLayer 8