Final answer:
Training and supervising new employees belongs to the area of Human Resource Management.
Step-by-step explanation:
The task of training and supervising a new employee belongs to the area of Human Resource Management. Human Resource Management is responsible for recruiting, hiring, training, and managing employees within an organization.
When a new employee is hired, they go through an orientation period where they are trained on company policies, practices, and culture. This training is important to ensure that the new employee understands their role, responsibilities, and expectations.
During the orientation period, the new employee may be trained by members of the human resources department or by individuals in their department.