Statistical Tables
Table1: Random Numbers One-digit Numbers
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
3 |
3 |
2 |
6 |
1 |
6 |
8 |
0 |
4 |
5 |
6 |
0 |
8 |
0 |
0 |
7 |
3 |
5 |
4 |
5 |
5 |
4 |
2 |
7 |
0 |
7 |
3 |
6 |
0 |
7 |
5 |
1 |
2 |
4 |
6 |
1 |
9 |
9 |
6 |
7 |
3 |
8 |
1 |
8 |
1 |
3 |
5 |
5 |
3 |
8 |
5 |
8 |
5 |
9 |
8 |
8 |
6 |
7 |
0 |
0 |
3 |
7 |
2 |
6 |
7 |
1 |
5 |
7 |
1 |
2 |
1 |
0 |
1 |
4 |
2 |
1 |
8 |
8 |
6 |
5 |
2 |
2 |
4 |
2 |
8 |
6 |
7 |
3 |
0 |
6 |
1 |
8 |
4 |
4 |
3 |
2 |
5 |
3 |
2 |
3 |
0 |
9 |
2 |
7 |
8 |
5 |
0 |
0 |
9 |
4 |
8 |
7 |
3 |
5 |
2 |
0 |
9 |
6 |
4 |
3 |
8 |
4 |
6 |
7 |
4 |
2 |
9 |
6 |
3 |
7 |
2 |
7 |
2 |
1 |
7 |
6 |
3 |
3 |
5 |
0 |
2 |
5 |
8 |
3 |
3 |
0 |
8 |
7 |
8 |
6 |
1 |
0 |
4 |
8 |
1 |
2 |
8 |
6 |
7 |
3 |
5 |
8 |
0 |
7 |
4 |
4 |
1 |
7 |
5 |
5 |
7 |
3 |
9 |
5 |
2 |
5 |
1 |
5 |
5 |
1 |
0 |
0 |
1 |
3 |
4 |
2 |
9 |
9 |
3 |
2 |
0 |
0 |
8 |
2 |
8 |
0 |
0 |
4 |
9 |
0 |
5 |
2 |
8 |
4 |
7 |
7 |
2 |
7 |
0 |
8 |
1 |
3 |
1 |
3 |
7 |
5 |
6 |
9 |
2 |
9 |
0 |
6 |
7 |
6 |
5 |
0 |
0 |
3 |
1 |
0 |
5 |
5 |
2 |
6 |
7 |
2 |
5 |
1 |
9 |
2 |
7 |
5 |
2 |
0 |
1 |
4 |
8 |
5 |
8 |
8 |
4 |
5 |
1 |
0 |
2 |
3 |
8 |
1 |
7 |
0 |
5 |
0 |
0 |
3 |
3 |
2 |
9 |
8 |
9 |
4 |
0 |
7 |
7 |
2 |
9 |
3 |
2 |
8 |
3 |
4 |
5 |
0 |
3 |
4 |
1 |
4 |
8 |
0 |
2 |
2 |
0 |
2 |
5 |
3 |
5 |
3 |
8 |
6 |
4 |
0 |
6 |
6 |
8 |
9 |
2 |
0 |
8 |
7 |
5 |
4 |
4 |
2 |
0 |
6 |
8 |
7 |
9 |
8 |
3 |
5 |
1 |
7 |
3 |
1 |
8 |
8 |
9 |
2 |
2 |
9 |
1 |
7 |
7 |
6 |
3 |
7 |
1 |
3 |
0 |
4 |
0 |
7 |
0 |
0 |
8 |
8 |
3 |
8 |
7 |
9 |
3 |
1 |
7 |
0 |
3 |
3 |
2 |
4 |
0 |
3 |
5 |
4 |
9 |
7 |
2 |
4 |
3 |
3 |
9 |
3 |
4 |
8 |
6 |
6 |
0 |
4 |
4 |
3 |
1 |
8 |
6 |
6 |
7 |
9 |
9 |
4 |
9 |
7 |
7 |
2 |
7 |
8 |
0 |
5 |
7 |
3 |
1 |
2 |
7 |
2 |
0 |
7 |
3 |
4 |
4 |
5 |
9 |
9 |
6 |
1 |
9 |
9 |
1 |
3 |
9 |
5 |
0 |
9 |
5 |
2 |
8 |
5 |
6 |
6 |
6 |
0 |
4 |
4 |
3 |
8 |
5 |
7 |
0 |
0 |
4 |
5 |
0 |
5 |
0 |
9 |
0 |
4 |
3 |
3 |
4 |
6 |
0 |
9 |
5 |
2 |
6 |
8 |
5 |
0 |
4 |
2 |
4 |
2 |
4 |
6 |
7 |
7 |
1 |
3 |
5 |
8 |
1 |
8 |
2 |
4 |
7 |
6 |
1 |
5 |
5 |
8 |
2 |
7 |
7 |
4 |
4 |
7 |
6 |
2 |
9 |
6 |
4 |
6 |
9 |
2 |
4 |
2 |
4 |
5 |
9 |
7 |
3 |
2 |
8 |
5 |
3 |
8 |
2 |
7 |
5 |
7 |
1 |
0 |
4 |
5 |
6 |
5 |
0 |
4 |
2 |
6 |
1 |
1 |
1 |
2 |
1 |
8 |
7 |
7 |
3 |
4 |
9 |
6 |
3 |
4 |
2 |
5 |
2 |
0 |
5 |
7 |
2 |
7 |
4 |
0 |
5 |
1 |
7 |
2 |
7 |
5 |
9 |
5 |
4 |
1 |
6 |
0 |
4 |
7 |
2 |
1 |
2 |
9 |
6 |
8 |
0 |
2 |
5 |
4 |
6 |
7 |
0 |
2 |
6 |
5 |
5 |
4 |
7 |
6 |
7 |
0 |
9 |
0 |
3 |
0 |
8 |
6 |
3 |
8 |
3 |
9 |
4 |
7 |
4 |
8 |
2 |
5 |
8 |
7 |
1 |
6 |
9 |
2 |
5 |
3 |
5 |
6 |
1 |
6 |
0 |
2 |
7 |
6 |
3 |
9 |
9 |
2 |
2 |
5 |
0 |
4 |
4 |
0 |
0 |
1 |
7 |
4 |
9 |
1 |
6 |
2 |
4 |
8 |
8 |
6 |
7 |
4 |
8 |
3 |
3 |
1 |
2 |
7 |
0 |
0 |
5 |
2 |
4 |
3 |
4 |
8 |
8 |
5 |
2 |
7 |
8 |
4 |
6 |
4 |
5 |
9 |
7 |
9 |
4 |
9 |
Table2: Random Numbers Two-digit Numbers
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
51 |
51 |
00 |
83 |
63 |
22 |
55 |
39 |
65 |
36 |
63 |
70 |
77 |
45 |
85 |
50 |
68 |
97 |
87 |
64 |
81 |
07 |
83 |
73 |
71 |
98 |
16 |
04 |
29 |
18 |
94 |
51 |
30 |
79 |
20 |
69 |
22 |
40 |
98 |
72 |
20 |
56 |
20 |
11 |
72 |
65 |
71 |
08 |
81 |
69 |
40 |
23 |
72 |
51 |
39 |
75 |
17 |
26 |
99 |
76 |
89 |
37 |
20 |
70 |
90 |
60 |
73 |
96 |
53 |
97 |
86 |
37 |
48 |
60 |
82 |
29 |
81 |
30 |
15 |
39 |
46 |
15 |
38 |
26 |
61 |
70 |
04 |
68 |
08 |
02 |
80 |
72 |
83 |
75 |
46 |
30 |
99 |
05 |
48 |
67 |
26 |
43 |
18 |
14 |
23 |
98 |
61 |
67 |
70 |
52 |
85 |
01 |
98 |
35 |
55 |
03 |
36 |
67 |
68 |
49 |
08 |
96 |
21 |
44 |
25 |
27 |
99 |
41 |
11 |
53 |
44 |
10 |
13 |
5 |
57 |
78 |
37 |
06 |
08 |
43 |
63 |
61 |
62 |
42 |
06 |
71 |
95 |
06 |
79 |
88 |
54 |
37 |
21 |
34 |
17 |
68 |
86 |
96 |
83 |
23 |
83 |
45 |
19 |
90 |
70 |
99 |
00 |
14 |
29 |
09 |
34 |
04 |
87 |
83 |
07 |
55 |
49 |
90 |
65 |
97 |
38 |
20 |
46 |
68 |
43 |
28 |
06 |
36 |
49 |
52 |
83 |
51 |
39 |
84 |
51 |
67 |
11 |
52 |
49 |
10 |
43 |
67 |
29 |
70 |
80 |
62 |
80 |
03 |
16 |
17 |
17 |
95 |
70 |
45 |
80 |
44 |
38 |
88 |
39 |
54 |
86 |
97 |
37 |
44 |
13 |
74 |
63 |
52 |
52 |
01 |
41 |
90 |
59 |
59 |
19 |
51 |
85 |
39 |
52 |
85 |
68 |
93 |
60 |
61 |
97 |
22 |
61 |
41 |
47 |
10 |
25 |
62 |
97 |
05 |
31 |
03 |
01 |
07 |
98 |
99 |
46 |
50 |
47 |
91 |
94 |
14 |
63 |
19 |
75 |
89 |
11 |
47 |
74 |
97 |
76 |
38 |
03 |
29 |
63 |
80 |
06 |
54 |
18 |
66 |
09 |
18 |
94 |
06 |
19 |
33 |
53 |
05 |
70 |
53 |
30 |
67 |
72 |
77 |
63 |
48 |
84 |
08 |
31 |
55 |
43 |
70 |
02 |
87 |
40 |
41 |
45 |
59 |
40 |
24 |
13 |
27 |
79 |
26 |
88 |
86 |
95 |
80 |
35 |
14 |
97 |
35 |
33 |
05 |
90 |
35 |
89 |
95 |
01 |
61 |
16 |
96 |
82 |
15 |
94 |
51 |
33 |
41 |
67 |
44 |
43 |
80 |
69 |
98 |
46 |
68 |
05 |
14 |
65 |
31 |
91 |
51 |
80 |
32 |
44 |
61 |
81 |
31 |
96 |
82 |
00 |
57 |
25 |
60 |
85 |
23 |
65 |
09 |
29 |
75 |
63 |
42 |
88 |
07 |
10 |
05 |
24 |
98 |
65 |
63 |
65 |
79 |
20 |
71 |
53 |
20 |
25 |
77 |
94 |
30 |
05 |
39 |
28 |
10 |
99 |
00 |
81 |
06 |
01 |
82 |
77 |
45 |
12 |
78 |
83 |
19 |
76 |
16 |
94 |
11 |
68 |
84 |
00 |
52 |
53 |
43 |
37 |
15 |
26 |
87 |
76 |
59 |
61 |
81 |
43 |
63 |
64 |
61 |
50 |
28 |
11 |
39 |
03 |
34 |
25 |
91 |
43 |
05 |
96 |
47 |
55 |
78 |
99 |
95 |
53 |
32 |
40 |
36 |
40 |
96 |
76 |
84 |
97 |
77 |
72 |
73 |
09 |
62 |
06 |
65 |
69 |
84 |
99 |
63 |
22 |
32 |
98 |
87 |
41 |
60 |
76 |
83 |
44 |
88 |
96 |
07 |
Table3: (F-Variance ratio) at 5% level of significance
n2 |
1 |
2 |
3 |
4 |
5 |
6 |
8 |
12 |
24 |
|
1 |
161.4 |
199.5 |
215.7 |
224.6 |
230.2 |
234.0 |
238.9 |
243.9 |
249.0 |
254.3 |
2 |
18.51 |
19.00 |
19.16 |
19.25 |
19.30 |
19.33 |
19.37 |
19.41 |
19.45 |
19.50 |
3 |
10.13 |
9.55 |
9.28 |
9.12 |
9.01 |
8.94 |
8.84 |
8.74 |
8.64 |
8.53 |
4 |
7.71 |
6.94 |
6.59 |
6.39 |
6.26 |
6.16 |
6.04 |
5.91 |
5.77 |
5.63 |
5 |
6.61 |
5.79 |
5.41 |
5.19 |
5.05 |
4.95 |
4.82 |
4.68 |
4.53 |
4.36 |
6 |
5.99 |
5.14 |
4.76 |
4.53 |
4.39 |
4.28 |
4.15 |
4.00 |
3.84 |
3.67 |
7 |
5.59 |
4.74 |
4.35 |
4.12 |
3.97 |
3.87 |
3.73 |
3.57 |
3.41 |
3.23 |
8 |
5.32 |
4.46 |
4.07 |
3.84 |
3.69 |
3.58 |
3.44 |
3.28 |
3.12 |
2.93 |
9 |
5.12 |
4.26 |
3.86 |
3.63 |
3.48 |
3.37 |
3.23 |
3.07 |
2.90 |
2.71 |
10 |
4.96 |
4.10 |
3.71 |
3.48 |
3.33 |
3.22 |
3.07 |
2.91 |
2.74 |
2.54 |
11 |
4.84 |
3.98 |
3.59 |
3.36 |
3.20 |
3.09 |
2.95 |
2.79 |
2.61 |
2.40 |
12 |
4.75 |
3.88 |
3.49 |
3.26 |
3.11 |
3.00 |
2.85 |
2.69 |
2.50 |
2.30 |
13 |
4.67 |
3.80 |
3.41 |
3.18 |
3.02 |
2.92 |
2.77 |
2.60 |
2.42 |
2.21 |
14 |
4.60 |
3.74 |
3.34 |
3.11 |
2.96 |
2.85 |
2.70 |
2.53 |
2.35 |
2.13 |
15 |
4.54 |
3.68 |
3.29 |
3.06 |
2.90 |
2.79 |
2.64 |
2.48 |
2.29 |
2.07 |
16 |
4.49 |
3.63 |
3.24 |
3.01 |
2.85 |
2.74 |
2.59 |
2.42 |
2.24 |
2.01 |
17 |
4.45 |
3.59 |
3.20 |
2.96 |
2.81 |
2.70 |
2.55 |
2.38 |
2.19 |
1.96 |
18 |
4.41 |
3.55 |
3.16 |
2.93 |
2.77 |
2.66 |
2.51 |
2.34 |
2.15 |
1.92 |
19 |
4.38 |
3.52 |
3.13 |
2.90 |
2.74 |
2.63 |
2.48 |
2.31 |
2.11 |
1.88 |
20 |
4.35 |
3.49 |
3.10 |
2.87 |
2.71 |
2.60 |
2.45 |
2.28 |
2.08 |
1.84 |
21 |
4.32 |
3.47 |
3.07 |
2.84 |
2.68 |
2.57 |
2.42 |
2.25 |
2.05 |
1.81 |
22 |
4.30 |
3.44 |
3.05 |
2.82 |
2.66 |
2.55 |
2.40 |
2.23 |
2.03 |
1.78 |
23 |
4.28 |
3.42 |
3.03 |
2.80 |
2.64 |
2.53 |
2.38 |
2.20 |
2.00 |
1.76 |
24 |
4.26 |
3.40 |
3.01 |
2.78 |
2.62 |
2.51 |
2.36 |
2.18 |
1.98 |
1.73 |
25 |
4.24 |
3.38 |
2.99 |
2.76 |
2.60 |
2.49 |
2.34 |
2.16 |
1.96 |
1.71 |
26 |
4.22 |
3.37 |
2.98 |
2.74 |
2.59 |
2.47 |
2.32 |
2.15 |
1.95 |
1.69 |
27 |
4.21 |
3.35 |
2.96 |
2.73 |
2.57 |
2.46 |
2.30 |
2.13 |
1.93 |
1.67 |
28 |
4.20 |
3.34 |
2.95 |
2.71 |
2.56 |
2.44 |
2.29 |
2.12 |
1.91 |
1.65 |
29 |
4.18 |
3.33 |
2.93 |
2.70 |
2.54 |
2.43 |
2.28 |
2.10 |
1.90 |
1.64 |
30 |
4.17 |
3.32 |
2.92 |
2.69 |
2.53 |
2.42 |
2.27 |
2.09 |
1.89 |
1.62 |
40 |
4.08 |
3.23 |
2.84 |
2.61 |
2.45 |
2.34 |
2.18 |
2.00 |
1.79 |
1.51 |
60 |
4.00 |
3.15 |
2.76 |
2.52 |
2.37 |
2.25 |
2.10 |
1.92 |
1.70 |
1.39 |
120 |
3.92 |
3.07 |
2.68 |
2.45 |
2.29 |
2.17 |
2.02 |
1.83 |
1.61 |
1.25 |
|
3.84 |
2.99 |
2.60 |
2.37 |
2.21 |
2.10 |
1.94 |
1.75 |
1.52 |
1.00 |
Source: Fisher and Yates Statistical Tables
Table4: (F-Variance ratio) at 1% level of significance
n2 |
1 |
2 |
3 |
4 |
5 |
6 |
8 |
12 |
24 |
|
1 |
4052 |
4999 |
5403 |
5625 |
5764 |
5859 |
5982 |
6106 |
6234 |
6366 |
2 |
98.50 |
99.00 |
99.17 |
99.25 |
99.30 |
99.33 |
99.37 |
99.42 |
99.46 |
99.50 |
3 |
34.12 |
30.82 |
29.46 |
28.71 |
28.24 |
27.91 |
27.49 |
27.05 |
26.60 |
26.12 |
4 |
21.20 |
18.00 |
16.69 |
15.98 |
15.52 |
15.21 |
14.80 |
14.37 |
13.93 |
13.46 |
5 |
16.26 |
13.27 |
12.06 |
11.39 |
10.97 |
10.67 |
10.29 |
9.89 |
9.47 |
9.02 |
6 |
13.74 |
10.92 |
9.78 |
9.15 |
8.75 |
8.47 |
8.10 |
7.72 |
7.31 |
6.88 |
7 |
12.25 |
9.55 |
8.45 |
7.85 |
7.46 |
7.19 |
6.84 |
6.47 |
6.07 |
5.65 |
8 |
11.26 |
8.65 |
7.59 |
7.01 |
6.63 |
6.37 |
6.03 |
5.67 |
5.28 |
4.86 |
9 |
10.56 |
8.02 |
6.99 |
6.42 |
6.06 |
5.80 |
5.47 |
5.11 |
4.73 |
4.31 |
10 |
10.04 |
7.56 |
6.55 |
5.99 |
5.64 |
5.39 |
5.06 |
4.71 |
4.33 |
3.91 |
11 |
9.65 |
7.20 |
6.22 |
5.67 |
5.32 |
5.07 |
4.74 |
4.40 |
4.02 |
3.60 |
12 |
9.33 |
6.93 |
5.95 |
5.41 |
5.06 |
4.82 |
4.50 |
4.16 |
3.78 |
3.36 |
13 |
9.07 |
6.70 |
5.74 |
5.20 |
4.86 |
4.62 |
4.30 |
3.96 |
3.59 |
3.16 |
14 |
8.86 |
6.51 |
5.56 |
5.03 |
4.69 |
4.46 |
4.14 |
3.80 |
3.43 |
3.00 |
15 |
8.68 |
6.36 |
5.42 |
4.89 |
4.56 |
4.32 |
4.00 |
3.67 |
3.29 |
2.87 |
16 |
8.53 |
6.23 |
5.29 |
4.77 |
4.44 |
4.20 |
3.89 |
3.55 |
3.18 |
2.75 |
17 |
8.40 |
6.11 |
5.18 |
4.67 |
4.34 |
4.10 |
3.79 |
3.45 |
3.08 |
2.65 |
18 |
8.28 |
6.01 |
5.09 |
4.58 |
4.25 |
4.01 |
3.71 |
3.37 |
3.00 |
2.57 |
19 |
8.18 |
5.93 |
5.01 |
4.50 |
4.17 |
3.94 |
3.63 |
3.30 |
2.92 |
2.49 |
20 |
8.10 |
5.85 |
4.94 |
4.43 |
4.10 |
3.87 |
3.56 |
3.23 |
2.86 |
2.42 |
21 |
8.02 |
5.78 |
4.87 |
4.37 |
4.04 |
3.81 |
3.51 |
3.17 |
2.80 |
2.36 |
22 |
7.94 |
5.72 |
4.82 |
4.31 |
3.99 |
3.76 |
3.45 |
3.12 |
2.75 |
2.31 |
23 |
7.88 |
5.66 |
4.76 |
4.26 |
3.94 |
3.71 |
3.41 |
3.07 |
2.70 |
2.26 |
24 |
7.82 |
5.61 |
4.72 |
4.22 |
3.90 |
3.67 |
3.36 |
3.03 |
2.66 |
2.21 |
25 |
7.77 |
5.57 |
4.68 |
4.18 |
3.86 |
3.63 |
3.32 |
2.99 |
2.62 |
2.17 |
26 |
7.72 |
5.53 |
4.64 |
4.14 |
3.82 |
3.59 |
3.29 |
2.96 |
2.58 |
2.13 |
27 |
7.68 |
5.49 |
4.60 |
4.11 |
3.78 |
3.56 |
3.26 |
2.93 |
2.55 |
2.10 |
28 |
7.64 |
5.45 |
4.57 |
4.07 |
3.75 |
3.53 |
3.23 |
2.90 |
2.52 |
2.06 |
29 |
7.60 |
5.42 |
4.54 |
4.04 |
3.73 |
3.50 |
3.20 |
2.87 |
2.49 |
2.03 |
30 |
7.56 |
5.39 |
4.51 |
4.02 |
3.70 |
3.47 |
3.17 |
2.84 |
2.47 |
2.01 |
40 |
7.31 |
5.18 |
4.31 |
3.83 |
3.51 |
3.29 |
2.99 |
2.66 |
2.29 |
1.80 |
60 |
7.08 |
4.98 |
4.13 |
3.65 |
3.34 |
3.12 |
2.82 |
2.50 |
2.12 |
1.60 |
120 |
6.85 |
4.79 |
3.95 |
3.48 |
3.17 |
2.96 |
2.66 |
2.34 |
1.95 |
1.38 |
|
6.64 |
4.60 |
3.78 |
3.32 |
3.02 |
2.80 |
2.51 |
2.18 |
1.79 |
1.00 |
Source: Fisher and Yates Statistical Tables
Table5:
Values of and t at 1%, 5% and 10% level
of significance.
d.f. |
Significance level of t |
Significance level
of |
||||
|
.01 |
.05 |
.10 |
.01 |
.05 |
.10 |
1 |
63.66 |
12.71 |
6.31 |
6.63 |
3.84 |
2.71 |
2 |
9.92 |
4.30 |
2.92 |
9.21 |
5.99 |
4.61 |
3 |
5.84 |
3.18 |
2.35 |
11.34 |
7.81 |
6.25 |
4 |
4.60 |
2.78 |
2.13 |
13.28 |
9.49 |
7.78 |
5 |
4.03 |
2.57 |
2.02 |
15.09 |
11.07 |
9.24 |
6 |
3.71 |
2.45 |
1.94 |
16.81 |
12.59 |
10.64 |
7 |
3.50 |
2.36 |
1.90 |
18.50 |
14.07 |
12.02 |
8 |
3.36 |
2.31 |
1.86 |
20.09 |
15.51 |
13.36 |
9 |
3.25 |
2.26 |
1.83 |
21.67 |
16.92 |
14.68 |
10 |
3.17 |
2.23 |
1.81 |
23.21 |
18.31 |
16.00 |
11 |
3.11 |
2.20 |
1.80 |
24.72 |
19.68 |
17.28 |
12 |
3.06 |
2.18 |
1.78 |
26.22 |
21.03 |
18.55 |
13 |
3.01 |
2.16 |
1.77 |
27.69 |
22.36 |
19.81 |
14 |
2.98 |
2.14 |
1.76 |
29.14 |
23.68 |
21.06 |
15 |
2.95 |
2.13 |
1.75 |
30.58 |
25.00 |
22.31 |
16 |
2.92 |
2.12 |
1.75 |
32.00 |
26.30 |
23.54 |
17 |
2.90 |
2.11 |
1.74 |
33.41 |
27.59 |
24.77 |
18 |
2.88 |
2.10 |
1.73 |
34.80 |
28.87 |
25.99 |
19 |
2.86 |
2.09 |
1.73 |
36.19 |
30.14 |
27.20 |
20 |
2.84 |
2.09 |
1.72 |
37.57 |
31.41 |
28.41 |
21 |
2.83 |
2.08 |
1.72 |
38.93 |
32.67 |
29.62 |
22 |
2.82 |
2.07 |
1.72 |
40.29 |
33.92 |
30.81 |
23 |
2.81 |
2.07 |
1.71 |
41.64 |
35.17 |
32.01 |
24 |
2.80 |
2.06 |
1.71 |
42.98 |
36.42 |
33.20 |
25 |
2.79 |
2.06 |
1.71 |
44.31 |
37.65 |
34.38 |
26 |
2.78 |
2.06 |
1.71 |
45.64 |
38.88 |
35.56 |
27 |
2.77 |
2.05 |
1.70 |
46.96 |
40.11 |
36.74 |
28 |
2.76 |
2.05 |
1.70 |
48.28 |
41.34 |
37.92 |
29 |
2.76 |
2.04 |
1.70 |
49.59 |
42.56 |
39.09 |
30 |
2.75 |
2.04 |
1.70 |
50.89 |
43.77 |
40.26 |
70 |
|
|
|
100.42 |
90.53 |
85.53 |
|
2.58 |
1.96 |
1.64 |
|
|
|
Source: Fisher and Yate�s Statistical Tables
TABLE 6. FACTORS USEFUL IN THE CONSTRUCTION OF CONTROL CHARTS *
Mean Chart |
Standard deviation chart |
Range chart |
|||||||
Samples factors for control limits Size |
Factor for central line factors for control limits |
Factor for central line Factors for control limits. |
|||||||
n |
A |
A1 |
A2 |
c2 |
B3 |
B4 |
d2 |
D3 |
D4 |
2 |
2.121 |
3.760 |
1.880 |
0.5642 |
0 |
3.267 |
1.128 |
0 |
3.267 |
3 |
1.732 |
2.394 |
1.023 |
0.7236 |
0 |
2.568 |
1.693 |
0 |
2.575 |
4 |
1.500 |
1.880 |
0.729 |
0.7979 |
0 |
2.266 |
2.059 |
0 |
2.282 |
5 |
1.342 |
1.596 |
0.577 |
0.8407 |
0 |
2.089 |
2.326 |
0 |
2.115 |
|
|
|
|
|
|
|
|
|
|
6 |
1.225 |
1.410 |
0.483 |
0.8686 |
0.030 |
1.970 |
2.534 |
0 |
2.004 |
7 |
1.134 |
1.277 |
0.419 |
0.8882 |
0.118 |
1.882 |
2.704 |
0.076 |
1.924 |
8 |
1.031 |
1.175 |
0.373 |
0.9027 |
0.185 |
1.815 |
2.847 |
0.136 |
1.864 |
9 |
1.000 |
1.094 |
9.337 |
0.9139 |
0.239 |
1.761 |
2.970 |
0.184 |
1.816 |
10 |
0.949 |
1.028 |
0.308 |
0.9227 |
0.284 |
1.716 |
3.078 |
0.223 |
1.777 |
|
|
|
|
|
|
|
|
|
|
11 |
0.905 |
0.973 |
0.285 |
0.9330 |
0.321 |
1.679 |
3.173 |
0.256 |
1.744 |
12 |
0.866 |
0.925 |
0.266 |
0.9359 |
0.354 |
1.646 |
3.258 |
0.284 |
1.716 |
13 |
0.832 |
0.884 |
0.249 |
0.9410 |
0.382 |
1.618 |
3.336 |
0.308 |
1.692 |
14 |
0.802 |
0.848 |
0.235 |
0.9453 |
0.406 |
1.594 |
3.407 |
0.329 |
1.671 |
15 |
0.775 |
0.816 |
0.223 |
0.9490 |
0.428 |
1.572 |
3.472 |
0.348 |
1.652 |
|
|
|
|
|
|
|
|
|
|
16 |
0.750 |
0.788 |
0.212 |
0.9523 |
0.448 |
1.552 |
3.532 |
0.364 |
1.636 |
17 |
0.728 |
0.762 |
0.203 |
0.9551 |
0.466 |
1.534 |
3.588 |
0.379 |
1.621 |
18 |
0.707 |
0.738 |
0.194 |
0.9576 |
0.482 |
1.518 |
3.640 |
0.392 |
1.608 |
19 |
0.688 |
0.717 |
0.187 |
0.9599 |
0.497 |
1.503 |
3.689 |
0.404 |
1.596 |
20 |
0.671 |
0.697 |
0.180 |
0.9619 |
0.510 |
1.490 |
3.735 |
0.414 |
1.586 |
|
|
|
|
|
|
|
|
|
|
21 |
0.655 |
0.679 |
0.173 |
0.9638 |
0.523 |
1.477 |
3.778 |
0.425 |
1.575 |
22 |
0.640 |
0.662 |
0.167 |
0.9655 |
0.534 |
1.466 |
3.819 |
0.434 |
1.566 |
23 |
0.626 |
0.647 |
0.162 |
0.9670 |
0.545 |
1.455 |
3.858 |
0.443 |
1.557 |
24 |
0.612 |
0.632 |
0.157 |
0.9684 |
0.555 |
1.445 |
3.895 |
0.452 |
1.548 |
25 |
0.600 |
0.619 |
0.153 |
0.9696 |
0.565 |
1.435 |
3.931 |
0.459 |
1.541 |
* Reproduced from Table B2, ASTM SPT � 15C, Manual on Quality control of Materials, with the kind permission of the American Society for Testing and Materials.