Which term best describes the commonplace practices and beliefs shared by a group of people?

The term that best describes the commonplace practices and beliefs shared by a group of people is culture. Culture encompasses the shared values, norms, traditions, customs, and behaviors that characterize a particular group or society. This includes language, art, rituals, and social practices, making it a broad and inclusive term that reflects the identity and way of life of a community.

In contrast, religion refers specifically to organized systems of beliefs, practices, and values typically centered around the worship of a higher power or deity. While religion can be a significant component of a culture, it does not capture the entirety of a group's shared practices and beliefs.

Psychology, on the other hand, focuses on the study of the mind and behavior of individuals, rather than the collective practices of a community. It is concerned with individual and group behavior but does not inherently define shared cultural practices.

Economics deals with the production, distribution, and consumption of goods and services, analyzing how societies allocate resources. While economic practices can be influenced by culture, they do not encompass the broad range of beliefs and customs found within a culture itself.

Thus, culture is the best choice for describing the shared practices and beliefs of a group of people.