Question: For the following statements indicate if they are TRUE or FALSE. (2 points each)

_____ A process is in statistical control when only common cause variation is present.

______ A process is in statistical control as long as the assignable cause variation does not exceed the upper and

lower control limits.

_____ The Cp index measures the potential of a process to meet customer specifications.

____ The Cp index determines if the process is in a “state of statistical control”.

____ The Cpk index helps you understand if assignable cause variation exists in the process.

_______ The Cpk index indicates if a process is actually meeting the customer specifications.

_____ Control limits on an X Bar and R chart are given to you by the customer.

______ Control limits on the X Bar and R chart help determine if the process is in a “state of statistical control”.

_____ Control limits on the X Bar and R chart are boundaries that allow you to determine if the products you are

making are satisfying your customer.

__________ Common cause variation exists in every process.