Problem 3.48 At Samantha's Super Store, the customer service area processes customer returns, answers customer questions and provides information, addresses customer complaints, and sells gift certificates. The manager believes that if customers must wait longer than 8 minutes to see a customer service representative they get very irritated. The customer service process has been designed to achieve a customer wat time of between 6 and 12 minutes. The store manager has conducted 10 samples of five observations each of customer waiting time over a two-week period as follows: .. #S . 1 SH 15 0 Compute the control limits, process capability ratio and process capability index for chart in conjunction with an-chart. (Round answers to 2 decimal places, e... 2.75.) 3. chart: 1- chart: Comment on the capability of the service area to meet its designated goal. The process in control according to both control charts [ is not is Problem 3.48 At Samantha's Super Store, the customer service area processes customer returns, answers customer questions and provides information, addresses customer complaints, and sells gift certificates. The manager believes that if customers must wait longer than 8 minutes to see a customer service representative they get very irritated. The customer service process has been designed to achieve a customer wat time of between 6 and 12 minutes. The store manager has conducted 10 samples of five observations each of customer waiting time over a two-week period as follows: .. #S . 1 SH 15 0 Compute the control limits, process capability ratio and process capability index for chart in conjunction with an-chart. (Round answers to 2 decimal places, e... 2.75.) 3. chart: 1- chart: Comment on the capability of the service area to meet its designated goal. The process in control according to both control charts [ is not is