Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is u = 121.5 and the standard deviation is o = 0.3. (a) Compute the upper and lower control limits if samples of size 6 are to be used. (Round your answers to two decimal places.) UCL = LCL - Construct the x chart for this process. 122.50 122.50 122.50- 122.50 122.25 122.25 122.25- 122.25 UCL. 122.00- 121.75 121.50 121.25 122.00 UCL 122.00- 122.00 UCL 121.75 121.75 UCL. 121.75 121.50 121.25 121.50 121.25- 121.50 121.25 LCL LCL. 121.00 120.75 121.00 LCL 121.00 121.00 LCL 120.75 120.75 - 120.75 4. 8 10 2 4 8 10 2 4 6 8 10 2 4. 6 8 10 Sample Number Sample Number Sample Number Sample Number (b) Consider a sample providing the following data. 121.8 121.2 122.1 121.7 121.4 122.2 Compute the mean for this sample. (Round your answer to two decimal places.) Is the process in control for this sample? O Yes, the process is in control for the sample. O No, the process is out of control for the sample. Sample Mean x Sample Mean X sample Mean x Sample Mean X

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q8 a and b

Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is u = 121.5 and the standard deviation is o = 0.3.
(a) Compute the upper and lower control limits if samples of size 6 are to be used. (Round your answers to two decimal places.)
UCL =
LCL =
Construct the x chart for this process.
122.50 -
122.50
122.50 -
122.50-
122.25
122.25
122.25
122.25
122.00 -
UCL
122.00
UCL
122.00
122.00
UCL
121.75
121.75
121.75
UCI.
121.75-
121.50
121.50
121.50
121.50
121.25
121.00 -
121.25
121.25
LCL
121.25-
LCL.
LCL
121.00
121.00
121.00
LCL
120.75-
120.75
120.75
120.75
-
4
8
10
2
8
10
4
6
8
10
2
4
6
8
10
Sample Number
Sample Number
Sample Number
Sample Number
(b) Consider a sample providing the following data.
121.8 121.2 122.1 121.7
121.4
122.2
Compute the mean for this sample. (Round your answer to two decimal places.)
Is the process in control for this sample?
O Yes, the process is in control for the sample.
O No, the process is out of control for the sample.
Sample Mean X
Sample Mean X
Sample Mean X
Sample Mean x
Transcribed Image Text:Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is u = 121.5 and the standard deviation is o = 0.3. (a) Compute the upper and lower control limits if samples of size 6 are to be used. (Round your answers to two decimal places.) UCL = LCL = Construct the x chart for this process. 122.50 - 122.50 122.50 - 122.50- 122.25 122.25 122.25 122.25 122.00 - UCL 122.00 UCL 122.00 122.00 UCL 121.75 121.75 121.75 UCI. 121.75- 121.50 121.50 121.50 121.50 121.25 121.00 - 121.25 121.25 LCL 121.25- LCL. LCL 121.00 121.00 121.00 LCL 120.75- 120.75 120.75 120.75 - 4 8 10 2 8 10 4 6 8 10 2 4 6 8 10 Sample Number Sample Number Sample Number Sample Number (b) Consider a sample providing the following data. 121.8 121.2 122.1 121.7 121.4 122.2 Compute the mean for this sample. (Round your answer to two decimal places.) Is the process in control for this sample? O Yes, the process is in control for the sample. O No, the process is out of control for the sample. Sample Mean X Sample Mean X Sample Mean X Sample Mean x
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