两样本率比较时所需样本含量(单侧)
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上行：α=0.05, 1-β=0.80
中行：α=0.05, 1-β=0.90
下行：α=0.01, 1-β=0.95
|
较小率 （%） |
δ=两组率之差（%） |
|||||||||||||
|
5 |
10 |
15 |
20 |
25 |
30 |
35 |
40 |
45 |
50 |
55 |
60 |
65 |
70 |
|
|
5 |
330 |
105 |
55 |
35 |
25 |
20 |
16 |
13 |
11 |
9 |
8 |
7 |
6 |
6 |
|
460 |
145 |
76 |
48 |
34 |
26 |
21 |
17 |
15 |
13 |
11 |
9 |
8 |
7 |
|
|
850 |
270 |
140 |
89 |
63 |
47 |
37 |
30 |
25 |
21 |
19 |
17 |
14 |
13 |
|
|
10 |
540 |
155 |
76 |
47 |
32 |
23 |
19 |
15 |
13 |
11 |
9 |
8 |
7 |
6 |
|
740 |
210 |
105 |
64 |
44 |
33 |
25 |
21 |
17 |
14 |
12 |
11 |
9 |
8 |
|
|
1370 |
390 |
195 |
120 |
81 |
60 |
46 |
37 |
30 |
25 |
21 |
19 |
16 |
14 |
|
|
15 |
710 |
200 |
94 |
56 |
38 |
27 |
21 |
17 |
14 |
12 |
10 |
8 |
7 |
6 |
|
990 |
270 |
130 |
77 |
52 |
38 |
29 |
22 |
19 |
16 |
13 |
10 |
10 |
8 |
|
|
1820 |
500 |
240 |
145 |
96 |
69 |
52 |
41 |
33 |
27 |
22 |
20 |
17 |
14 |
|
|
20 |
860 |
230 |
110 |
63 |
42 |
30 |
22 |
18 |
15 |
12 |
10 |
8 |
7 |
6 |
|
1190 |
320 |
150 |
88 |
58 |
41 |
31 |
24 |
20 |
16 |
14 |
11 |
10 |
8 |
|
|
2190 |
590 |
280 |
160 |
105 |
76 |
57 |
44 |
35 |
28 |
23 |
20 |
17 |
14 |
|
|
25 |
980 |
260 |
120 |
69 |
45 |
32 |
24 |
19 |
15 |
12 |
10 |
8 |
7 |
― |
|
1360 |
360 |
165 |
96 |
63 |
44 |
33 |
25 |
21 |
16 |
14 |
11 |
9 |
― |
|
|
2510 |
660 |
300 |
175 |
115 |
81 |
60 |
46 |
36 |
29 |
23 |
20 |
16 |
― |
|
|
30 |
1080 |
280 |
130 |
73 |
47 |
33 |
24 |
19 |
15 |
12 |
10 |
8 |
― |
― |
|
1500 |
390 |
175 |
100 |
65 |
46 |
33 |
25 |
21 |
16 |
13 |
11 |
― |
― |
|
|
2760 |
720 |
330 |
185 |
120 |
84 |
61 |
47 |
36 |
28 |
22 |
19 |
― |
― |
|
|
35 |
1160 |
300 |
135 |
75 |
48 |
33 |
24 |
19 |
15 |
12 |
9 |
― |
― |
― |
|
1600 |
410 |
185 |
105 |
67 |
46 |
33 |
25 |
20 |
16 |
12 |
― |
― |
― |
|
|
2960 |
750 |
340 |
190 |
125 |
85 |
61 |
46 |
35 |
27 |
21 |
― |
― |
― |
|
|
40 |
1210 |
310 |
135 |
76 |
48 |
33 |
24 |
18 |
14 |
11 |
― |
― |
― |
― |
|
1670 |
420 |
190 |
105 |
67 |
46 |
33 |
24 |
19 |
14 |
― |
― |
― |
― |
|
|
3080 |
780 |
350 |
195 |
125 |
84 |
60 |
44 |
33 |
25 |
― |
― |
― |
― |
|
|
45 |
1230 |
310 |
135 |
75 |
47 |
32 |
22 |
17 |
13 |
― |
― |
― |
― |
― |
|
1710 |
430 |
190 |
105 |
65 |
44 |
31 |
22 |
17 |
― |
― |
― |
― |
― |
|
|
3140 |
790 |
350 |
190 |
120 |
81 |
57 |
41 |
30 |
― |
― |
― |
― |
― |
|
|
50 |
1230 |
310 |
135 |
73 |
45 |
30 |
21 |
15 |
― |
― |
― |
― |
― |
― |
|
1710 |
420 |
185 |
100 |
63 |
41 |
29 |
21 |
― |
― |
― |
― |
― |
― |
|
|
3140 |
780 |
340 |
185 |
115 |
76 |
52 |
37 |
― |
― |
― |
― |
― |
― |
