两样本率比较时所需样本含量(双侧)
互联网
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 |
420 |
130 |
69 |
44 |
31 |
24 |
20 |
16 |
14 |
12 |
10 |
9 |
9 |
7 |
570 |
175 |
93 |
59 |
42 |
32 |
25 |
21 |
18 |
15 |
13 |
11 |
10 |
9 |
|
960 |
300 |
155 |
10 |
71 |
54 |
42 |
34 |
28 |
24 |
21 |
19 |
16 |
14 |
|
10 |
680 |
195 |
96 |
59 |
41 |
30 |
23 |
19 |
16 |
13 |
11 |
10 |
9 |
7 |
910 |
260 |
130 |
79 |
54 |
40 |
31 |
24 |
21 |
18 |
15 |
13 |
11 |
10 |
|
1550 |
440 |
220 |
135 |
92 |
68 |
52 |
41 |
34 |
28 |
23 |
21 |
18 |
15 |
|
15 |
910 |
250 |
120 |
71 |
48 |
34 |
26 |
21 |
17 |
14 |
12 |
10 |
9 |
8 |
1220 |
330 |
160 |
95 |
64 |
46 |
35 |
27 |
22 |
19 |
16 |
13 |
11 |
10 |
|
2060 |
560 |
270 |
160 |
110 |
78 |
59 |
47 |
37 |
31 |
25 |
21 |
19 |
16 |
|
20 |
1090 |
290 |
135 |
80 |
53 |
38 |
28 |
22 |
18 |
15 |
13 |
10 |
9 |
7 |
1460 |
390 |
185 |
105 |
71 |
51 |
38 |
29 |
23 |
20 |
16 |
14 |
11 |
10 |
|
2470 |
660 |
310 |
180 |
120 |
86 |
64 |
50 |
40 |
32 |
26 |
21 |
19 |
15 |
|
25 |
1250 |
330 |
150 |
88 |
57 |
40 |
30 |
23 |
19 |
15 |
13 |
10 |
9 |
― |
1680 |
440 |
200 |
115 |
77 |
54 |
40 |
31 |
24 |
20 |
16 |
13 |
11 |
― |
|
2840 |
740 |
340 |
200 |
130 |
92 |
68 |
52 |
41 |
32 |
26 |
21 |
18 |
― |
|
30 |
1380 |
360 |
160 |
93 |
60 |
42 |
31 |
23 |
19 |
15 |
12 |
10 |
― |
― |
1840 |
480 |
220 |
125 |
80 |
56 |
41 |
31 |
24 |
20 |
16 |
13 |
― |
― |
|
3120 |
810 |
370 |
210 |
135 |
95 |
69 |
53 |
41 |
32 |
25 |
21 |
― |
― |
|
35 |
1470 |
380 |
170 |
96 |
61 |
42 |
31 |
23 |
18 |
14 |
11 |
― |
― |
― |
1970 |
500 |
225 |
130 |
82 |
57 |
41 |
31 |
23 |
19 |
15 |
― |
― |
― |
|
3340 |
850 |
380 |
215 |
140 |
96 |
69 |
52 |
40 |
31 |
23 |
― |
― |
― |
|
40 |
1530 |
390 |
175 |
97 |
61 |
42 |
30 |
22 |
17 |
13 |
― |
― |
― |
― |
2050 |
520 |
230 |
130 |
82 |
56 |
40 |
29 |
22 |
18 |
― |
― |
― |
― |
|
3480 |
880 |
390 |
220 |
140 |
95 |
68 |
50 |
37 |
28 |
― |
― |
― |
― |
|
45 |
1560 |
390 |
175 |
96 |
60 |
40 |
28 |
21 |
16 |
― |
― |
― |
― |
― |
2100 |
520 |
230 |
130 |
80 |
54 |
38 |
27 |
21 |
― |
― |
― |
― |
― |
|
3550 |
890 |
390 |
215 |
135 |
92 |
64 |
47 |
34 |
― |
― |
― |
― |
― |
|
50 |
1560 |
390 |
170 |
93 |
57 |
38 |
26 |
19 |
― |
― |
― |
― |
― |
― |
2100 |
520 |
225 |
125 |
77 |
51 |
35 |
24 |
― |
― |
― |
― |
― |
― |
|
3550 |
880 |
380 |
210 |
130 |
86 |
59 |
41 |
― |
― |
― |
― |
― |
― |