Final answer:
A control chart is used to monitor a process and detect any changes or variations that may occur. In this case, it is being used to determine the number of customers who complete their purchases online in less than 6 minutes. The goal is to identify and address any issues with the process.
Step-by-step explanation:
A control chart is used to monitor a process and detect any changes or variations that may occur. In this case, the control chart is being used to determine the number of customers who complete their purchases online in less than 6 minutes. If it takes over 6 minutes for a customer to complete their purchase, it would be considered an out-of-control situation. The goal of the control chart is to help identify and address any issues with the process, ensuring that the number of customers completing their purchases online in less than 6 minutes remains within a desired range.