A pre-concert rehearsal is an example of Media strategy

Marginal analysis

Quality control

Goodwill

Quality control

Explanation:

Six Sigma is a quality business management strategy which helps business organizations to improve the quality of processes, products and services by discovering and eliminating defects, variations or errors. It is a strategic business concept that was developed in 1986 by Motorola.

Under the six sigma approach, any process that doesn't provide customer satisfaction or causes challenges in an organisation's process should be eliminated from the system in order to produce quality products and services. It allows only 3.4 defective features for every million opportunities and as such expects processes to be defect free 99.99966 percent of the time.

Generally, there are two (2) main methods of achieving the six sigma approach;

1. DMAIC: define, measure, analyze, improve and control.

2. DMADV: define, measure, analyze, design and verify.

Hence, a pre-concert rehearsal is an example of quality control because the participants or team members are made to practice their routines so as to master them and prevent mistakes on the day of the concert. Thus, a pre-concert is aimed at getting the best out of a team in order to deliver a quality performance to the audience.