Question Details

Which control chart will work best for this situation 



1.	A process is checked at random by inspection of samples of four shafts after a polishing operation, and X-bar and R charts are maintained. A person making a spot check measures two shafts accurately, and plots their range on the R chart. The point falls just outside the control limit. He/she advises the department foreman to stop the process. This decision indicates that:


2.	A six sigma team is investigating the sources of variation in fabric rolls. All rolls are different in length. The variable of interest is the number of holes per unit of length. Which control chart will work best for this situation ?

3.	Out of the following which one is NOT a characteristic of GANTT charts:

4.	The implementation of a control plan in the painting department was so successful that a master black belt wants you to implement the same control plan in the final assembly line. What changes should be made before implementing the necessary control plan?

5.	A process has been experiencing problems lately. The operators charting the process have identified the cause to be due to a change in incoming materials. This problem is:




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