As per Walter Shewhart, which one of the following points is not entirely true?
OPTIONS
- Most variations in a product resulting in defects are due to Special Causes
- Variability in a process is due to Common and Special Causes
- In the short term, one should focus on reducing Common Causes
- Special Causes result in a process to go unstable
ANSWER
In the short term, one should focus on reducing Common Causes
EXPLANATION
Note negative response is required – As per Walter Shewhart, you should always treat common causes of variations in the long run, so THE THIRD ONE is correct.