Common causes of variation are usually related to specific events or circumstances.Question 7Answera.Falseb.True

The statement "Common causes of variation are usually related to specific events or circumstances" is actually categorized as a false statement.

Explanation

1. Understanding Common Causes of Variation:

   • Common causes of variation, often referred to as "random variation" or "systematic variation," are inherent to a process and are not attributed to any specific events or circumstances. They arise from various sources within the system, such as material properties, environmental conditions, and normal operating conditions.

2. Distinction from Special Causes:

   • In contrast, special causes of variation are indeed linked to specific events or circumstances. These could include unusual occurrences such as machinery breakdown, operator error, or external changes that impact the process.

3. Conclusion:

   • Therefore, the correct answer to the statement is that it is False; common causes are related to the system's inherent variability rather than specific events.

Final Answer

a. False