![Show Menu](styles/mobile-menu.png)
![Page Background](./../common/page-substrates/page0257.jpg)
Margin for systematic errors
Confidence level
1-D errors
2-D errors
3-D errors
80%
1.28
S
1.79
S
2.16
S
85%
1.44
S
1.95
S
2.31
S
90%
1.64
S
2.15
S
2.50
S
95%
1.96
S
2.45
S
2.79
S
S
= SD of preparation/systematic errors