What can be done to improve your process capability ratio?

Improving the process capability ratio involves enhancing the effectiveness and efficiency with which a process can meet specified requirements or standards. All the listed approaches contribute to this goal in different ways.

Changing the specifications can help ensure that they align more closely with what the process can realistically achieve. If specifications are set too tightly, it may be difficult for the process to consistently meet them. Adjusting these parameters can make them more attainable, thus improving the process capability ratio.

Modifying the process itself is a direct way to enhance its performance. This can include upgrading technology, streamlining operations, reducing waste, or increasing automation. By making changes to how the process operates, organizations can reduce variability and improve output quality, leading to a better capability ratio.

Outsourcing tasks can also play a role in improving process capability. By entrusting certain functions to specialized external partners, companies can leverage the expertise, technology, or efficiencies of others, thus allowing them to focus on their core competencies. This can result in higher quality outcomes and improved capability in the remaining in-house processes.

Therefore, it is evident that each of these approaches contributes to improving the process capability ratio, making 'All of the above' the most comprehensive and appropriate answer.