QUESTION 11 The management of the Diners Delight franchised restaurant chain is in the process of establishing quality-c

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QUESTION 11 The management of the Diners Delight franchised restaurant chain is in the process of establishing quality-control charts for the time that its service people give to each customer. Management thinks the length of time that each customer is given should remain within certain limits to enhance service quality. A sample of six service people was selected, and the customer service they provided was observed four times. The activities that the service people were performing were identified, and the time to service one customer was recorded as noted below: Service Person Sample 2 150 85 93 81 110 90 90 65 Determine the upper control limits for an X-chart. 1 2 3 4 5 6 Sample 1 200 120 83 68 W Service Time (sec) Sample 3 175 105 130 75 115 Sample 4 105 75 150 175 105 125
QUESTION 2 The management of the Diners Delight franchised restaurant chain is in the process of establishing quality-control charts for the time that its service people give to each customer. Management thinks the length of time that each customer is given should remain within certain limits to enhance service quality. A sample of six service people was selected, and the customer service they provided was observed four times. The activities that the service people were performing were identified, and the time to service one customer was recorded as noted below: Service Time (sec) Service Person 1 2 3 120 83 68 110 102 Determine the upper control limit for an R-chart. 4 5 Sample 1 200 6 Sample 2 150 83 93 117 90 65 Sample 3 175 105 130 145 75 115 Sample 4 113 75 150 175 105 125
QUESTION 2 The management of the Diners Delight franchised restaurant chain is in the process of establishing quality-control charts for the time that its service people give to each customer. Management thinks the length of time that each customer is given should remain within certain limita to enhance service quality. A sample of six service people was selected, and the customer service they provided was observed four times. The activities that the service people were performing were identified, and the time to service one customer was recorded as noted below: Service Time (sec) Sample 3 175 105 130 Service Person 1 2 3 83 68 110 102 Determine the upper control limit for an R-chart. 4 5 Sample 1 200 120 6 Sample 2 150 85 93 117 90 65 145 75 115 Sample 4 113 75 150 175 105 125
QUESTION 1 The management of the Diners Delight franchised restaurant chain is in the process of establishing quality-control charts for the time that its service people give to each customer. Management thinks the length of time that each customer is given should remain within certain limits to enhance service quality. A sample of six service people was selected, and the customer service they provided was observed four times. The activities that the service people were performing were identified, and the time to service one customer was recorded as noted below: Service Time (sec) Sample 3 175 105 130 145 75 115 Service Person Sample 1 200 120 83 68 110 90 Determine the upper control limits for an X-chart. 1 2 3 4 5 6 Sample 2 150 85. 93 81 90 65 Sample 4 105 75 150 175 105 125