•.• $6.10 A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each of size n = 5) taken. The population standard deviation is 1.36. Samples 3 4 5 8 910 8. 8. 12: 13 10 10 10 13 10 12 10 9. 10 9 10 10. 103 10 11 10 9. 6: 10 11 11: 8. 12 8. 69. 11 10. 10 11 12 8. 10 12 12 10 10 10 6: 8. 12 a) What is the process standard deviation o? What is oz? b) If z = 3, what are the control limits for the mean chart? c) What are the control limits for the range chart? d) Is the process in control? K

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•.• $6.10 A process that is considered to be in control measures an
ingredient in ounces. Below are the last 10 samples (each of size
n = 5) taken. The population standard deviation is 1.36.
Samples
7.
3
4 5
8
910
13
10
10
10
13
8.
10
12
10
9.
10
9
10.
11
10
8.
12:
10
10.
6:
10
11
11:
10
8.
12
8.
69.
11
10.
10
11
12
8.
10
12
12
10
10
10
8.
12
a) What is the process standard deviation o? What is oz?
b) If z = 3, what are the control limits for the mean chart?
c) What are the control limits for the range chart?
d) Is the process in control? K
Transcribed Image Text:•.• $6.10 A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each of size n = 5) taken. The population standard deviation is 1.36. Samples 7. 3 4 5 8 910 13 10 10 10 13 8. 10 12 10 9. 10 9 10. 11 10 8. 12: 10 10. 6: 10 11 11: 10 8. 12 8. 69. 11 10. 10 11 12 8. 10 12 12 10 10 10 8. 12 a) What is the process standard deviation o? What is oz? b) If z = 3, what are the control limits for the mean chart? c) What are the control limits for the range chart? d) Is the process in control? K
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