In order to truly understand the performance of an inspection process, statistical analysis of large, complex, data-sets is often required.
This may require a skill-set does not sit within your inspection team and it may not be feasible or cost effective to bring these skills in house.
In addition, it is often beneficial to have a third party assessment of inspection performance, whether you inspection is carried out in-house or you use a dedicated inspection service provider, to remove any potential bias and to give you confidence in the results.
