Critical Values of the Wilcoxon Signed Ranks Test

n

Two-TailedTest

One-TailedTest

α= .05

α= .01

α= .05

α= .01


5

--

--

0

--

6

0

--

2

--

7

2

--

3

0

8

3

0

5

1

9

5

1

8

3

10

8

3

10

5

11

10

5

13

7

12

13

7

17

9

13

17

9

21

12

14

21

12

25

15

15

25

15

30

19

16

29

19

35

23

17

34

23

41

27

18

40

27

47

32

19

46

32

53

37

20

52

37

60

43

21

58

42

67

49

22

65

48

75

55

23

73

54

83

62

24

81

61

91

69

25

89

68

100

76

26

98

75

110

84

27

107

83

119

92

28

116

91

130

101

29

126

100

140

110

30

137

109

151

120

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