Which of the following is a quality standard used to measure quality in different sectors?

Quality standards are frameworks or guidelines that help organizations ensure that their products, services, and processes meet certain established criteria for excellence. In this context, EFQM, ISO, BSI, and various accreditation systems represent recognized methodologies and benchmarks that organizations can implement to assess and improve quality across diverse sectors.

The EFQM (European Foundation for Quality Management) model focuses on organizational excellence by providing a structured approach for organizations to evaluate their performance. The ISO (International Organization for Standardization) standards set specific criteria that organizations must meet to assure quality and safety in their operations, which are applicable across multiple industries. BSI (British Standards Institution) produces standards that help achieve consistent quality and performance.

Utilizing these standards allows organizations to implement continuous improvement processes, enhance customer satisfaction, and demonstrate commitment to quality to stakeholders. Therefore, option C is the correct choice as it lists established quality standards that are widely used across different sectors for measuring and managing quality effectively.