Ultimate Psychometric Tests: Over 1000 Verbal, Numerical, Diagrammatic and Personality Tests
Diagrammatic Summary of Two Sample Tests
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Diagrammatic Summary of Two sample Tests Independent (unrelated) Samples Paired related) Samples Normal Populati on Non- Normal Populatio n Normal Populatio n Non- Normal Populati on 1 2 , 2 2 known 2 2 2 1 2 1 2 1 2 1 ) ( ) ( n n x x Z 1 2 , 2 2 unknown 2 1 2 1 2 1 1 1 ) ( ) ( n n S x x t p Mann-Whitney Rank Sum Test n s d t d ) ( 2 1 Two-Sample Sign Test Wilcoxon Signed Rank Test
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two sample test
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Diagrammatic Summary of Two sample Tests
Independent (unrelated) Samples
Paired related) Samples
NormalPopulation
Non-NormalPopulation
NormalPopulation
Non-Normal Population
12, 2
2 known 2
22
1
21
2121 )()(
nn
xxZ
12, 2
2 unknown
21
2121
11)()(
nnS
xxt
p
Mann-Whitney Rank Sum Test
nsd
td
)( 21
Two-Sample Sign TestWilcoxon Signed Rank Test