Preferred skills include: · Medicaid, Medicare, general healthcare industry practices, and/or medical billing and coding concepts; · Knowledge of statistically valid random sampling; · Knowledge of Generally Accepted Accounting Principles (GAAP); · Knowledge of inferential statistics such as correlation, t-tests, f-tests, or analysis of variance; and. Deputy Attorneys General, with critical support from criminal special investigators, victim service specialists, paraprofessionals, and administrative staff, prosecute criminal cases, enforce consumer laws, provide counsel to state agencies, ensure the public''s access to open government, protect the abused, and much more.Â.