Final answer:
The least necessary skill for senior managers is Technical skill.
Step-by-step explanation:
The skill that is least necessary for senior managers is Technical skill.
Senior managers primarily focus on planning, decision-making, and strategic direction. They are responsible for overseeing and coordinating the work of others, and they rely on their team to handle the technical aspects of the organization. While some level of technical knowledge may be helpful, it is not as essential as the other skills mentioned.
Conceptual skills are important for senior managers as they involve the ability to think strategically, analyze complex situations, and develop innovative solutions. Interpersonal skills are crucial for building effective relationships and effective communication within the organization. Leading skills are necessary for setting a vision, motivating employees, and driving the organization towards its goals.