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附表1 x2值表
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附表1 x2值表

n'

P

0.995

0.990

0.975

0.950

0.900

0.750

0.500

0.250

0.100

0.050

0.025

0.010

0.005

1

0.02

0.10

0.45

1.32

2.71

3.84

5.02

6.63

7.88

2

0.01

0.02

0.02

0.10

0.21

0.58

1.39

2.77

4.61

5.99

7.38

9.21

10.60

3

0.07

0.11

0.22

0.35

0.58

1.21

2.37

4.11

6.25

7.81

9.35

11.34

12.84

4

0.21

0.30

0.48

0.71

1.06

1.92

3.36

5.39

7.78

9.49

11.14

13.28

14.86

5

0.41

0.55

0.83

1.15

1.61

2.67

4.35

6.63

9.24

11.07

12.83

15.09

16.75

6

0.68

0.87

1.24

1.64

2.20

3.45

5.35

7.84

10.64

12.59

14.45

16.81

18.55

7

0.99

1.24

1.69

2.17

2.83

4.25

6.35

9.04

12.02

14.07

16.01

18.48

20.28

8

1.34

1.65

2.18

2.73

3.40

5.07

7.34

10.22

13.36

15.51

17.53

20.09

21.96

9

1.73

2.09

2.70

3.33

4.17

5.90

8.34

11.39

14.68

16.92

19.02

21.67

23.59

10

2.16

2.56

3.25

3.94

4.87

6.74

9.34

12.55

15.99

18.31

20.48

23.21

25.19

11

2.60

3.05

3.82

4.57

5.58

7.58

10.34

13.70

17.28

19.68

21.92

24.72

26.76

12

3.07

3.57

4.40

5.23

6.30

8.44

11.34

14.85

18.55

21.03

23.34

26.22

28.30

13

3.57

4.11

5.01

5.89

7.04

9.30

12.34

15.98

19.81

22.36

24.74

27.69

29.82

14

4.07

4.66

5.63

6.57

7.79

10.17

13.34

17.12

21.06

23.68

26.12

29.14

31.32

15

4.60

5.23

6.27

7.26

8.55

11.04

14.34

18.25

22.31

25.00

27.49

30.58

32.80

16

5.14

5.81

6.91

7.96

9.31

11.91

15.34

19.37

23.54

26.30

28.85

32.00

34.27

17

5.70

6.41

7.56

8.67

10.09

12.79

16.34

20.49

24.77

27.59

30.19

33.41

35.72

18

6.26

7.01

8.23

9.39

10.86

13.68

17.34

21.60

25.99

28.87

31.53

34.81

37.16

19

6.84

7.63

8.91

10.12

11.65

14.56

18.34

22.72

27.20

30.14

32.85

36.19

38.58

20

7.43

8.26

9.59

10.85

12.44

15.45

19.34

23.83

28.41

31.41

34.17

37.57

40.00

21

8.03

8.90

10.28

11.59

13.24

16.34

20.34

24.93

29.62

32.67

35.48

38.93

41.40

22

8.64

9.54

10.98

12.34

14.04

17.24

21.34

26.04

30.81

33.92

36.78

40.29

42.80

23

9.26

10.20

11.69

13.09

14.85

18.14

22.34

27.14

32.01

35.17

38.08

41.64

44.18

24

9.89

10.86

12.40

13.85

15.66

19.04

23.34

28.24

33.20

36.42

39.36

42.98

45.56

25

10.52

11.52

13.12

14.61

16.47

19.94

24.34

29.34

34.38

37.65

40.65

44.31

46.93

26

11.16

12.20

13.84

15.38

17.29

20.84

25.34

30.43

35.56

38.89

41.92

45.64

48.29

27

11.81

12.88

14.57

16.15

18.11

21.75

26.34

31.53

36.74

40.11

43.19

46.96

49.64

28

12.46

13.56

15.31

16.93

18.94

22.66

27.34

32.62

37.92

41.34

44.46

48.28

50.99

29

13.12

14.26

16.05

17.71

19.77

23.57

28.34

33.71

39.09

42.56

45.72

49.59

52.34

30

13.79

14.95

16.79

18.49

20.60

24.48

29.34

34.80

40.26

43.77

46.98

50.89

53.67

40

20.71

22.16

24.43

26.51

29.05

33.66

39.34

45.62

51.80

55.76

59.34

63.69

66.77

50

27.99

29.71

32.36

34.76

37.69

42.94

49.33

56.33

63.17

67.50

71.42

76.15

79.49

60

35.53

37.48

40.48

43.19

46.46

52.29

59.33

66.98

74.40

79.08

83.30

88.38

91.95

70

43.28

45.44

48.76

51.74

55.33

61.70

69.33

77.58

85.53

90.53

95.02

100.42

104.22

80

51.17

53.54

57.15

60.39

64.28

71.14

79.33

88.13

96.58

101.88

106.63

112.33

116.32

90

59.20

61.75

65.65

69.13

73.29

80.62

89.33

98.64

107.56

113.14

118.14

124.12

128.30

100

67.33

70.06

74.22

77.93

82.36

90.13

99.33

109.14

118.50

124.34

129.56

135.81

140.17

  注:自由度的符号本书统一用ν,但若沿用n’也不为错。

  

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