IE 7610 Fundamentals of Six Sigma
Homework 3
 Due Tue March 24, 2010
1.
b) Is the measurement system capable in this case, why?
c) If you are told that the tolerance for characteristic is (40,60), redo the Gage R&R,
what is your conclusion? Compare with your conclusion in b), any comments?
2.
For a process quality characteristics, the specification limits are 0.4037 +/ 0.0013
(that is from 0.4024 to 0.4050). The following data gives the data for 14 measurement
data sets, each data set is a subgroup of 5 measurement. The value is recorded in the
units of 0.0001 (that is, the specification limit will be considered 24 to 50) Based on
the following data, compute C
p
,C
pk
,P
p
and P
pk
.(Use MINITAB is ok)
Subgrou
p
#
1
2
3
4
5
Subgrou
p
#
1
2
3
4
5
1
36
35
34
33
32
8
34
38
35
34
38
2
31
31
34
32
30
9
36
35
37
34
33
3
30
30
32
30
32
10
30
37
33
34
35
4
32
33
33
32
35
11
28
31
33
33
33
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32
34
37
37
35
12
33
30
34
33
35
6
32
32
31
33
33
13
35
36
29
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 Winter '10
 Dr.KaiYang
 Linear Regression, Regression Analysis, following table, systolic blood pressure, specification limits

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