| Proportion |
Design effect |
| 1.7 |
1.8 |
1.9 |
2.0 |
2.5 |
3.0 |
3.5 |
| 0.99 |
1,360 |
1,440 |
1,520 |
1,600 |
2,000 |
2,400 |
2,800 |
| 0.95 |
272 |
288 |
304 |
320 |
400 |
480 |
560 |
| 0.90 |
136 |
144 |
152 |
160 |
200 |
240 |
280 |
| 0.85 |
91 |
96 |
101 |
107 |
133 |
160 |
187 |
| 0.80 |
68 |
72 |
76 |
80 |
100 |
120 |
140 |
| 0.75 |
54 |
58 |
61 |
64 |
80 |
96 |
112 |
| 0.56-.74 |
51 |
54 |
57 |
60 |
75 |
90 |
105 |
| 0.55 |
51 |
54 |
57 |
60 |
75 |
90 |
105 |
| 0.50 |
51 |
54 |
57 |
60 |
75 |
90 |
105 |
| 0.45 |
51 |
54 |
57 |
60 |
75 |
90 |
105 |
| 0.26-.44 |
51 |
54 |
57 |
60 |
75 |
90 |
105 |
| 0.25 |
54 |
58 |
61 |
64 |
80 |
96 |
112 |
| 0.20 |
68 |
72 |
76 |
80 |
100 |
120 |
140 |
| 0.15 |
91 |
96 |
101 |
107 |
133 |
160 |
187 |
| 0.10 |
136 |
144 |
152 |
160 |
200 |
240 |
280 |
| 0.05 |
272 |
288 |
304 |
320 |
400 |
480 |
560 |
| 0.01 |
1,360 |
1,440 |
1,520 |
1,600 |
2,000 |
2,400 |
2,800 |