Six samples with individual observations have been collected on the oxide thickness of silicon wafers, as shown in the following table Sample 54.3 21 57.5 3 64.8 4. 62.1 5. 59.6 51.5

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Six samples with individual observations have been collected on the oxide thickness of silicon
wafers, as shown in the following table
Sample
54.3
57 5
3
64.8
4
62.1
5.
59.6
6.
51.5
A two-sided tabular Cusum control chart is to be constructed for the data using a 40% headstart to
detect a shift of lo. Assume the target thickness is 60, h = 4, and the standard deviation is 5. The
value of Ce is equal to
Oa 23
b. 11.2
C. 0
d. 6
e. 1.9
Transcribed Image Text:Six samples with individual observations have been collected on the oxide thickness of silicon wafers, as shown in the following table Sample 54.3 57 5 3 64.8 4 62.1 5. 59.6 6. 51.5 A two-sided tabular Cusum control chart is to be constructed for the data using a 40% headstart to detect a shift of lo. Assume the target thickness is 60, h = 4, and the standard deviation is 5. The value of Ce is equal to Oa 23 b. 11.2 C. 0 d. 6 e. 1.9
A two-sided tabular Cusum control chart is to be constructed for the data using a 40% headstart to
detect a shift of 1a. Assume the target thickness is 60, h = 4, and the standard deviation is 5. It can
be concluded from the data that there is no evidence of a shift that is greater than:
a 0.30a
Ob 0.100
oc 0.250
od. 1.000
e. 0.50a
A two-sided tabular Cusum control chart is to be constructed for the data to detect a shift of 1a.
Assume the target thickness is 60, h = 4, and the standard deviation is 5. The value of ARL, is
approximately
a 8.34
b. 16.31
C. 3.22
od. 0.52
e 10,34
Transcribed Image Text:A two-sided tabular Cusum control chart is to be constructed for the data using a 40% headstart to detect a shift of 1a. Assume the target thickness is 60, h = 4, and the standard deviation is 5. It can be concluded from the data that there is no evidence of a shift that is greater than: a 0.30a Ob 0.100 oc 0.250 od. 1.000 e. 0.50a A two-sided tabular Cusum control chart is to be constructed for the data to detect a shift of 1a. Assume the target thickness is 60, h = 4, and the standard deviation is 5. The value of ARL, is approximately a 8.34 b. 16.31 C. 3.22 od. 0.52 e 10,34
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