334
Tablice parametrów kart kontrolnych
Liczebność próby |
Wspólczynn ik Hatley'a |
Dla karty x |
Dla karty R | ||
n |
dn |
a2 |
As |
D3 |
d4 |
2 |
1,128 |
1,880 |
2,659 |
0 |
3,267 |
ó |
1,693 |
1,023 |
1,954 |
0 |
2,575 |
4 |
2,059 |
0,729 |
1,628 |
0 |
2,282 |
5 |
2,326 |
0,577 |
1,427 |
0 |
2,115 |
6 |
2,534 |
0,483 |
1,287 |
0 |
2,004 |
1 |
2,704 |
0,419 |
1,182 |
0,076 |
1,924 |
8 |
2,847 |
0,373 |
1,099 |
0,136 |
1,864 |
9 |
2,970 |
0,337 |
1,032 |
0,184 |
1,816 |
10 |
3,078 |
0,308 |
0,975 |
0,223 |
1,777 |
15 |
3,472 |
0,223 |
0,789 |
0,348 |
1,652 |
20 |
3,735 |
0,180 |
0,680 |
0,414 |
1,586 |
25 |
3,931 |
0,153 |
0,606 |
0,459 |
1,541 |
Źródło: T. P. Ryan: Statistical Methods for Quality Improvement, John WiIey§Sons, New York 1989.