Standard Deviation
- Blwyddyn: 2008
- Gwlad: United States of America
- Genre: Documentary
- Stiwdio:
- Allweddair: fbi
- Cyfarwyddwr: Christopher Brannan, David Randag
- Cast: William Cottrell
1 2020 HD
1 1993 HD
8.50 2020 HD
1 2016 HD
1 2018 HD
7.20 1992 HD
6.30 2016 HD
6.90 2020 HD
6.50 2014 HD
1 2001 HD
6.39 2024 HD
6.90 2024 HD
8.49 2024 HD
7.30 2024 HD
8.10 2024 HD
6.70 2024 HD
8.28 2024 HD
5.63 2024 HD
6.20 2024 HD
5.04 2024 HD