Given the following control chart,which problem is most likely?
A) Instability
B) Trend
C) Level shift
D) Cycle

Question

Given the following control chart,which problem is most likely? 
A) Instability 
B) Trend 
C) Level shift 
D) Cycle

Quizplus · Accepted Answer

The chart shows a consistent and stable process until around data point 20, where it suddenly shifts and consistently produces values above the previous mean. This indicates a level shift problem, where the process has undergone a significant change in its average behavior.

Given the Following Control Chart,which Problem Is Most Likely