Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is u = 123.9 and the standard deviation is o = 0.4. a. Construct an ¤ chart for this process if samples of size 6 are to be used (to 2 decimals). UCL = LCL

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Temperature is used to measure the output of a production process. When the
process is in control, the mean of the process is u
123.9 and the standard
deviation is o =
0.4.
a. Construct an ¤ chart for this process if samples of size 6 are to be used (to
2 decimals).
UCL
LCL =
b. Is the process in control for a sample providing the following data?
128.3
128.4
129.5
129.2
129.1
129.2
(to 2 decimals)
Conclude that the process
- Select your answer - vin control.
c. Is the process in control for the following data?
129.1
129
129.4
128.7
128.8
128.7
(to 2 decimals)
Conclude that the process
- Select your answer - vin control.
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 123.9 and the standard deviation is o = 0.4. a. Construct an ¤ chart for this process if samples of size 6 are to be used (to 2 decimals). UCL LCL = b. Is the process in control for a sample providing the following data? 128.3 128.4 129.5 129.2 129.1 129.2 (to 2 decimals) Conclude that the process - Select your answer - vin control. c. Is the process in control for the following data? 129.1 129 129.4 128.7 128.8 128.7 (to 2 decimals) Conclude that the process - Select your answer - vin control.
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