Final answer:
The management function related to monitoring the number of defects produced is 'Control', which involves measuring and correcting performance to ensure quality and efficiency.
Step-by-step explanation:
Monitoring the number of defects produced is an example of the management function of c. Control. The management function of control involves measuring current performance, comparing it to established standards, and taking corrective action as necessary.
It is an ongoing process that helps ensure that the organization's plans are being implemented effectively and that the desired outcomes are being achieved.
Control is essential for maintaining quality and efficiency within a company's operations. By closely monitoring defects, managers can identify areas that require improvement and initiate procedures to rectify any issues, maintaining the standards of organizational output.