Paul Drake's, Dimensioning and Tolerancing Handbook covers this quite extensively in later chapters.
Things like, Six Sigma methodologies to optimize tolerances in assemblies. Multi-dimensional tolerance analysis (manual and automated). Minimum cost tolerance allocation, etc, etc..
https://www.amazon.com/Dimensioning-Tolerancing-Handbook-Paul-Drake/dp/0070181314/sr=8-1/qid=1172693964/ref=pd_bbs_sr_1/102-5568802-9192158?ie=UTF8&s=books