Trained quality assurance specialists can perform quality assurance tasks independently and competently. They introduce test concepts for random sample tests, monitor the measuring equipment and measuring methods and supervise the execution of the measurements. They use statistical methods to evaluate the measurement data and present it graphically. In presentations and workshops, they convince employees, customers, senior management and management of the necessary quality assurance measures. As the contact person for customers, departments and quality management, they fulfill an important interface function and coordinate upcoming tasks.