Question: Refer to the table Eacions for Computing Control Char. Limits (3 sigma) for this problem. Your supervisor, Liss Lehmann, has asked that you report on

Refer to the table Eacions for Computing Control

Refer to the table Eacions for Computing Control Char. Limits (3 sigma) for this problem. Your supervisor, Liss Lehmann, has asked that you report on the output of a machine on the factory floor. This machine is supposed to be producing optical lenses with a mean weight of 52 grams and a range of 4 grams. The following table contains the data for a sample size of n-8 taken during the past 3 hours: D Sample 1 2 4 5 6 7 8 9 b1 53 48 $1 D1 X 54 51 63 R 4 7 3 4 5 2 5 a) What are the x-chart control limits when the machine is working properly? UCL = |grams (round your response to two decimal places). LCL grams (round your response to two decimal places). Choose the correct graph of the sample data for the x-chart. OA. 0 . OC. SC enth 190.00 Q 56.CO 56.00 55.00 G W H 50.00 50.00 00.00 45.00 45.00 0 0 12 0 Semple Sample Sample b) What are the Richart control limits when the machine is working properly? UCL grams (round your response to two decimal places). LCLR grams fround your response to two decimal places). Choose the correct graph of the sample data for the R-chart OA. . Oc Q 10.00- 8.00- 6.00 4.00 2.00 0.00 Sample 10.00- 8.00 6.00 4.00 205 0.05 Sample 10 50 3 10.00- 8.00- 6.00 4.00- 2.00- Sample a) What are the x-chart control limits when the machine is working property? UCL - grams fround your response to two decimal places). LCL= -7. grams (round your response to two decimal places). Choose the correct graph of the sample data for the x-chart. OA. 50.00 Q Q soco 46.00 8 Semplic b) What are the R-chart control limits when the machine is working properly? UCL - grams (round your response to two decimal places). LCL grams (round your response to two decimal places). Choose the correct graph of the sample data for the R-chart OA. @ 10.00 580 Q G 60 4.00 2.00 0.004 0 Semple c) What seems to be happening? Has the process been in control? No YAS 51 53 48 51 51 R 4 7 3 5 4 OB 60.00 55.00 H 5000- 40.00+ Sempio O B. 10.00- 8004 603 4.00 2004 0 54 5 57 53 7 2 51 5 50 3 OC. 60.00 53.00- P 50.00 40.00 4 Sample OC. 10.00- E 8.0 6.00 4.00- 2.00- 4.00 4 12

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