Process	Defects			MTTF (Weeks)
Process	Actual	Pred.	Error %	Actual	Pred.	Error %
SF	17	17	0	0.8824	0.8824	0
SL	36	27	−25	0.4167	0.5556	33.3333
Other	12	21	75	1.2500	0.7143	−42.8571
Total	65	65	0	0.2308	0.2308	0