Final answer:
True: A social system is a patterned series of interrelationships between individuals, groups, and institutions.
Step-by-step explanation:
True: A social system is indeed a patterned series of interrelationships that exist between individuals, groups, and institutions, forming a coherent whole. These interrelationships can be seen in how individuals interact with one another, how groups collaborate, and how institutions function within a society. The social system provides a structure and framework for societal interactions.