To form a group, it must be having at least two members. Practically, the number of group members ranges from 15 to 20. The more the members in the group, the more complex it is to manage.
A group is an aggregation of individuals, which are separately called as members, and collectively called as a group.
Furthermore, a group climate is an emotional setting of the group, that relies on participative spirit, coordination, trust and bonding among the members, open communication and other similar factors.