Self help Examples from the Chi square distribution
 
No.
Example Values Answer
1
P(Chi2 < 100.43) = ___ d.f. = 70 P value = 0.99
2
P(Chi2 < 140.17) = ___ d.f. = 100 P value = 0.995
3
P(Chi2 < 99.33) = ___ d.f. = 100 P value = 0.5
4
P(Chi2 < 101.88) = ___ d.f. = 80 P value = 0.95
5
P(Chi2 < 439.94) = ___ d.f. = 500 P value = 0.025
6
P(Chi2 < 459.93) = ___ d.f. = 500 P value = 0.1
7
P(Chi2 < 5.58) = ___ d.f. = 11 P value = 0.1
8
P(Chi2 < 118.14) = ___ d.f. = 90 P value = 0.975
9
P(Chi2 < 73.17) = ___ d.f. = 45 P value = 0.995
10
P(Chi2 < 15.09) = ___ d.f. = 5 P value = 0.99
11
P(Chi2 < 59.33) = ___ d.f. = 60 P value = 0.5
12
P(Chi2 < 30.61) = ___ d.f. = 45 P value = 0.05
13
P(Chi2 < 74.4) = ___ d.f. = 60 P value = 0.9
14
P(Chi2 < 55.33) = ___ d.f. = 70 P value = 0.1
15
P(Chi2 < 124.12) = ___ d.f. = 90 P value = 0.99
16
P(Chi2 > 53.2) = ___ d.f. = 35 P value = 0.025
17
P(Chi2 > 67.5) = ___ d.f. = 50 P value = 0.05
18
P(Chi2 > 8.34) = ___ d.f. = 9 P value = 0.5
19
P(Chi2 > 21.03) = ___ d.f. = 12 P value = 0.05
20
P(Chi2 > 0.21) = ___ d.f. = 2 P value = 0.9
21
P(Chi2 > 12.88) = ___ d.f. = 27 P value = 0.99
22
P(Chi2 > 0.05) = ___ d.f. = 2 P value = 0.975
23
P(Chi2 > 40.29) = ___ d.f. = 22 P value = 0.01
24
P(Chi2 > 9.31) = ___ d.f. = 16 P value = 0.9
25
P(Chi2 > 199.33) = ___ d.f. = 200 P value = 0.5
26
P(Chi2 > 9.89) = ___ d.f. = 24 P value = 0.995
27
P(Chi2 > 34.34) = ___ d.f. = 35 P value = 0.5
28
P(Chi2 > 129.56) = ___ d.f. = 100 P value = 0.025
29
P(Chi2 > 0.71) = ___ d.f. = 4 P value = 0.95
30
P(Chi2 > 0.22) = ___ d.f. = 3 P value = 0.975
31
P(Chi2 > Chi2o) =0.5 d.f. = 80 Chi2o = 79.33
32
P(Chi2 > Chi2o) =0.975 d.f. = 12 Chi2o = 4.4
33
P(Chi2 > Chi2o) =0.005 d.f. = 90 Chi2o = 128.3
34
P(Chi2 > Chi2o) =0.25 d.f. = 40 Chi2o = 45.62
35
P(Chi2 > Chi2o) =0.25 d.f. = 100 Chi2o = 109.14
36
P(Chi2 > Chi2o) =0.9 d.f. = 7 Chi2o = 2.83
37
P(Chi2 > Chi2o) =0.995 d.f. = 26 Chi2o = 11.16
38
P(Chi2 > Chi2o) =0.975 d.f. = 24 Chi2o = 12.4
39
P(Chi2 > Chi2o) =0.25 d.f. = 6 Chi2o = 7.84
40
P(Chi2 > Chi2o) =0.05 d.f. = 23 Chi2o = 35.17
41
P(Chi2 > Chi2o) =0.9 d.f. = 21 Chi2o = 13.24
42
P(Chi2 > Chi2o) =0.95 d.f. = 500 Chi2o = 449.15
43
P(Chi2 > Chi2o) =0.025 d.f. = 25 Chi2o = 40.65
44
P(Chi2 > Chi2o) =0.5 d.f. = 50 Chi2o = 49.33
45
P(Chi2 > Chi2o) =0.975 d.f. = 23 Chi2o = 11.69
46
P(Chi2 < Chi2o) =0.025 d.f. = 80 Chi2o = 57.15
47
P(Chi2 < Chi2o) =0.95 d.f. = 29 Chi2o = 42.56
48
P(Chi2 < Chi2o) =0.25 d.f. = 100 Chi2o = 90.13
49
P(Chi2 < Chi2o) =0.05 d.f. = 45 Chi2o = 30.61
50
P(Chi2 < Chi2o) =0.9 d.f. = 7 Chi2o = 12.02
51
P(Chi2 < Chi2o) =0.01 d.f. = 10 Chi2o = 2.56
52
P(Chi2 < Chi2o) =0.95 d.f. = 500 Chi2o = 553.13
53
P(Chi2 < Chi2o) =0.75 d.f. = 60 Chi2o = 66.98
54
P(Chi2 < Chi2o) =0.1 d.f. = 40 Chi2o = 29.05
55
P(Chi2 < Chi2o) =0.99 d.f. = 28 Chi2o = 48.28
56
P(Chi2 < Chi2o) =0.05 d.f. = 45 Chi2o = 30.61
57
P(Chi2 < Chi2o) =0.9 d.f. = 45 Chi2o = 57.51
58
P(Chi2 < Chi2o) =0.5 d.f. = 8 Chi2o = 7.34
59
P(Chi2 < Chi2o) =0.1 d.f. = 18 Chi2o = 10.86
60
P(Chi2 < Chi2o) =0.995 d.f. = 60 Chi2o = 91.95
61
P(Chi21 < Chi2 < Chi22) = 0.8 d.f. = 22 Chi21 = 14.04, Chi22 = 30.81
62
P(Chi21 < Chi2 < Chi22) = 0.6 d.f. = 70 Chi21 = 59.9, Chi22 = 79.71
63
P(Chi21 < Chi2 < Chi22) = 0.9 d.f. = 8 Chi21 = 2.73, Chi22 = 15.51
64
P(Chi21 < Chi2 < Chi22) = 0 d.f. = 2 Chi21 = 1.39, Chi22 = 1.39
65
P(Chi21 < Chi2 < Chi22) = 0.96 d.f. = 5 Chi21 = 0.75, Chi22 = 13.39
66
P(Chi21 < Chi2 < Chi22) = 0.6 d.f. = 8 Chi21 = 4.59, Chi22 = 11.03
67
P(Chi21 < Chi2 < Chi22) = 0.8 d.f. = 14 Chi21 = 7.79, Chi22 = 21.06
68
P(Chi21 < Chi2 < Chi22) = 0.98 d.f. = 80 Chi21 = 53.54, Chi22 = 112.33
69
P(Chi21 < Chi2 < Chi22) = 0 d.f. = 2 Chi21 = 1.39, Chi22 = 1.39
70
P(Chi21 < Chi2 < Chi22) = 0 d.f. = 26 Chi21 = 25.34, Chi22 = 25.34
71
P(Chi21 < Chi2 < Chi22) = 0.96 d.f. = 50 Chi21 = 31.66, Chi22 = 72.61
72
P(Chi21 < Chi2 < Chi22) = 0.8 d.f. = 30 Chi21 = 20.6, Chi22 = 40.26
73
P(Chi21 < Chi2 < Chi22) = 0.96 d.f. = 9 Chi21 = 2.53, Chi22 = 19.68
74
P(Chi21 < Chi2 < Chi22) = 0.9 d.f. = 60 Chi21 = 43.19, Chi22 = 79.08
75
P(Chi21 < Chi2 < Chi22) = 0.98 d.f. = 35 Chi21 = 18.51, Chi22 = 57.34
76
P(Chi2o < Chi2 < 19.81) = 0.8 d.f. = 13 Chi2o = 7.04
77
P(Chi2o < Chi2 < 96.39) = 0.955 d.f. = 70 Chi2o = 48.76
78
P(Chi2o < Chi2 < 84.58) = 0.93 d.f. = 60 Chi2o = 43.19
79
P(Chi2o < Chi2 < 101.05) = 0.775 d.f. = 90 Chi2o = 65.65
80
P(Chi2o < Chi2 < 40.26) = 0.8 d.f. = 30 Chi2o = 20.6
81
P(Chi2o < Chi2 < 135.81) = 0.94 d.f. = 100 Chi2o = 77.93
82
P(Chi2o < Chi2 < 51.81) = 0.4 d.f. = 40 Chi2o = 39.34
83
P(Chi2o < Chi2 < 19.81) = 0.85 d.f. = 13 Chi2o = 5.89
84
P(Chi2o < Chi2 < 28.34) = 0.495 d.f. = 29 Chi2o = 13.12
85
P(Chi2o < Chi2 < 22.62) = 0.93 d.f. = 11 Chi2o = 4.57
86
P(Chi2o < Chi2 < 43.77) = 0.945 d.f. = 30 Chi2o = 13.79
87
P(Chi2o < Chi2 < 32.91) = 0.7 d.f. = 27 Chi2o = 18.11
88
P(Chi2o < Chi2 < 27.34) = 0.475 d.f. = 28 Chi2o = 15.31
89
P(Chi2o < Chi2 < 35.17) = 0.945 d.f. = 23 Chi2o = 9.26
90
P(Chi2o < Chi2 < 40.27) = 0.73 d.f. = 24 Chi2o = 19.04
91
P( 5.14 < Chi20 < Chi2) = 0.975 d.f. = 16 Chi2o = 29.63
92
P( 71.14 < Chi20 < Chi2) = 0.55 d.f. = 80 Chi2o = 90.41
93
P( 168.28 < Chi20 < Chi2) = 0.85 d.f. = 200 Chi2o = 226.02
94
P( 8.26 < Chi20 < Chi2) = 0.49 d.f. = 20 Chi2o = 19.34
95
P( 0 < Chi20 < Chi2) = 0.9 d.f. = 1 Chi2o = 3.84
96
P( 33.66 < Chi20 < Chi2) = 0.7 d.f. = 40 Chi2o = 55.76
97
P( 13.34 < Chi20 < Chi2) = 0.3 d.f. = 14 Chi2o = 18.15
98
P( 8.26 < Chi20 < Chi2) = 0.49 d.f. = 20 Chi2o = 19.34
99
P( 46.46 < Chi20 < Chi2) = 0.8 d.f. = 60 Chi2o = 74.4
100
P( 0.1 < Chi20 < Chi2) = 0.93 d.f. = 2 Chi2o = 7.82
101
P( 69.33 < Chi20 < Chi2) = 0.48 d.f. = 70 Chi2o = 96.39
102
P( 156.43 < Chi20 < Chi2) = 0.98 d.f. = 200 Chi2o = 249.45
103
P( 2.18 < Chi20 < Chi2) = 0.475 d.f. = 8 Chi2o = 7.34
104
P( 0 < Chi20 < Chi2) = 0.93 d.f. = 1 Chi2o = 5.41
105
P( 24.31 < Chi20 < Chi2) = 0.975 d.f. = 45 Chi2o = 66.56

 

Revised March 19, 2002
James P. Geaghan