Description
Process Control at Polaroid
Case 9-693-047
Case Analysis Guideline
It is a case to be bought. And, you are responsible for buying your own case.
This is an individual work. You should not collaborate with anyone in this case. You should submit your own words, not to be found in Google, turn-in or any other sources. Please cite properly whenever it is appropriate.
This is a case so you are free to put your own analysis. I would like to encourage that. However, at the minimum I am expecting following from you in the case.
1. Discuss, the magnitude of cost of quality in R2 plant. And, how Rolf’s project Greenlight is supposed to reduce the cost of quality. Especially, discuss what Rolf has been doing in light of difference between the providing quality products by after the fact sample testing and rejecting vs. controlling the production process using SPC techniques. (Hint Read chapter 10 and also skim through chapter 11 of your textbook. Think which the two process is more representative of Toyota Production System.)
2. You have to construct SPC charts for weight and height. Construction, analysis and insights from SPC are the center piece of this case. Data are on Exhibit 3 and Exhibit 6. (In have shown you how to draw SPC using the example in the book. It is slightly different here, because they use different data to calculate the x double bar, R bar, upper and lower control limits for x bar charts and R chart. Otherwise the process is not very different.)
a. Use data on exhibit 3 to find x double bar, R bar, upper and lower control limits for x bar charts and R chart.
- Use data on Exhibit 6 to make SPC charts (x bar and R), for weight and height.
- Most important is analyze the Charts.
- In order to analyze, in detail, you have to draw separate charts (x bar and R), for weights
as well as height for each of the different shifts.
e. Give detail analysis of whether the process is in control. You should analyze for height,
for weight for each of the shifts here.
3. One of the very important methods for brainstorming in order to find the root cause of the
problems is Ishikawa Diagram (refer to page 238 in your text book.) In order to find the cause you have to identify all the issues (related to people, machine, method and materials). Please try to draw the diagram and use this to suggest improvements.
4. Conclusion.
Submission:
Please write report in word document. Maximum word limit for this document is 1500. Charts and tables should be extra. And, you can make the SPC in excel. Please submit the word as well as Excel documents.
Unformatted Attachment Preview
Purchase answer to see full attachment
Explanation & Answer
Done Excel file for answers of part 2
DATA
Process Control at Polaroid
Data from Exhibit 5
POD WEIGHT (grams)
Day
3-Aug
4-Aug
5-Aug
6-Aug
7-Aug
10-Aug
11-Aug
12-Aug
13-Aug
14-Aug
17-Aug
18-Aug
19-Aug
20-Aug
21-Aug
Shift
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
1
2
2.800
2.750
2.768
2.841
2.801
2.778
2.760
2.829
2.741
2.814
2.787
2.766
2.774
2.770
2.832
2.829
2.850
2.803
2.815
2.782
2.779
2.815
2.846
2.767
2.850
2.810
2.850
2.750
2.830
2.740
2.753
2.851
2.845
2.844
2.806
2.849
2.820
2.790
2.850
2.767
2.833
2.824
2.778
2.801
2.770
3
2.799
2.820
2.807
2.802
2.770
2.807
2.804
2.804
2.850
2.804
2.802
2.805
2.801
2.801
2.836
2.846
2.804
2.803
2.804
2.806
2.807
2.815
2.854
2.804
2.804
2.820
2.820
2.765
2.770
2.770
2.807
2.751
2.804
2.777
2.839
2.801
2.793
2.780
2.806
2.831
2.825
2.799
2.775
2.832
2.787
4
2.760
2.850
2.807
2.802
2.833
2.804
2.804
2.805
2.744
2.803
2.805
2.804
2.805
2.833
2.794
2.760
2.805
2.773
2.803
2.806
2.808
2.803
2.760
2.834
2.804
2.814
2.750
2.850
2.848
2.833
2.805
2.752
2.803
2.754
2.805
2.804
2.812
2.764
2.805
2.808
2.793
2.790
2.799
2.758
2.744
5
2.802
2.740
2.804
2.806
2.770
2.804
2.806
2.806
2.766
2.805
2.804
2.802
2.805
2.770
2.843
2.854
2.806
2.837
2.804
2.804
2.803
2.864
2.829
2.803
2.804
2.794
2.740
2.760
2.760
2.770
2.804
2.773
2.806
2.791
2.804
2.762
2.833
2.843
2.814
2.793
2.813
2.764
2.805
2.759
2.766
6
2.805
2.850
2.804
2.807
2.840
2.803
2.805
2.807
2.767
2.807
2.805
2.804
2.805
2.840
2.813
2.817
2.807
2.808
2.803
2.803
2.803
2.834
2.817
2.803
2.804
2.798
2.850
2.790
2.750
2.840
2.802
2.849
2.805
2.833
2.850
2.814
2.853
2.843
2.807
2.836
2.823
2.817
2.833
2.773
2.807
2.803
2.790
2.803
2.807
2.741
2.804
2.806
2.807
2.808
2.804
2.804
2.806
2.804
2.741
2.743
2.805
2.807
2.808
2.802
2.802
2.803
2.803
2.805
2.803
2.804
2.787
2.790
2.840
2.830
2.800
2.804
2.806
2.806
2.811
2.740
2.791
2.812
2.818
2.807
2.811
2.766
2.805
2.772
2.814
2.803
2.880
Series1
2.860
Series2
Series3
2.840
Series4
Series5
2.820
Series6
Series7
2.800
Series8
2.780
Series9
Series10
2.760
Series11
Series12
2.740
Series13
Series14
2.720
0
1
2
3
4
5
6
7
3.00
A
B
Day
3-Aug
4-Aug
5-Aug
6-Aug
7-Aug
10-Aug
11-Aug
12-Aug
13-Aug
14-Aug
17-Aug
18-Aug
19-Aug
20-Aug
21-Aug
Shift
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
C
2.50
FINGER HEIGHT (mm)
A
1
2
1.90
2.15
1.73
2.30
2.28
1.92
2.39
2.11
1.89
2.51
2.22
1.89
1.95
2.08
2.31
2.23
2.23
1.73
2.21
2.17
2.01
2.08
1.93
1.84
2.23
2.19
1.96
2.27
1.92
1.78
2.31
2.02
1.76
2.06
1.76
2.25
2.28
2.31
1.87
2.16
2.06
1.80
1.75
1.90
1.80
3
1.95
2.17
1.90
2.41
2.16
2.24
2.28
2.21
1.90
2.25
2.19
1.90
2.07
2.03
1.90
2.25
2.21
2.00
2.11
2.19
1.90
2.19
2.09
2.12
2.01
2.22
2.05
2.00
1.78
1.65
2.35
1.97
1.91
2.14
1.83
1.88
2.15
2.27
1.89
2.38
2.08
1.71
2.00
1.90
2.01
4
1.94
2.11
2.07
2.54
2.19
2.11
2.10
2.24
1.73
2.08
2.22
1.78
2.25
2.27
1.86
2.21
2.05
1.79
2.21
2.15
1.90
2.28
1.90
1.90
2.25
2.18
2.16
2.06
1.76
2.04
2.25
1.81
2.01
1.91
1.79
2.11
2.17
2.16
2.03
2.20
2.14
1.65
2.04
1.81
1.73
5
2.00
2.13
1.89
2.37
2.08
1.89
2.36
2.21
2.07
2.35
2.24
2.07
1.95
2.23
1.91
1.89
2.19
1.75
2.44
2.04
1.81
2.29
1.95
1.89
2.11
2.15
1.87
1.97
1.77
1.63
1.99
1.73
1.85
2.06
1.79
2.18
2.18
2.10
1.69
2.25
2.24
1.68
2.00
1.86
1.89
B
6
2.05
2.02
1.76
2.32
2.25
1.88
2.54
2.17
1.89
2.29
2.01
1.89
2.11
2.24
1.89
2.15
2.07
1.84
2.17
2.07
2.06
2.21
2.04
2.01
2.39
2.23
2.13
2.13
1.78
1.75
2.27
1.77
1.78
2.08
1.77
2.02
2.44
2.24
1.75
1.98
2.26
1.96
2.15
1.98
2.01
2.16
2.03
1.88
2.16
2.24
2.17
2.25
2.24
1.76
2.32
2.23
1.76
2.16
2.13
1.87
2.11
2.16
1.74
2.30
2.22
1.89
2.45
2.09
1.75
2.15
2.04
1.90
2.05
1.87
1.83
2.11
1.82
1.64
2.09
1.94
1.86
2.00
2.28
2.04
2.23
2.18
2.05
2.06
1.81
1.91
C
2.00
A
B
C
A
1.50
B
C
A
B
1.00
0
1
2
3
4
5
6
7
C
A
B
0.50
C
A
B
0.00
Page 1
Polaroid x and R charts and lcl, cl and ucl calculations
x bar
Exhibit 3 Base-line Data for Pod Weight and Finger Height
Pod Weight (grams)
Sample Number:
Day
1
2
3
4
5
6
20-Jul
2.792
2.81
2.777
2.799
2.803
2.788
21-Jul
2.774
2.783
2.799
2.82
2.812
2.807
22-Jul
2.797
2.79
2.785
2.795
2.866
2.826
23-Jul
2.819
2.787
2.809
2.862
2.823
2.816
24-Jul
2.754
2.793
2.82
2.846
2.823
2.807
27-Jul
2.784
2.781
2.733
2.801
2.823
2.844
28-Jul
2.844
2.799
2.781
2.802
2.82
2.813
29-Jul
2.806
2.786
2.836
2.815
2.836
2.808
30-Jul
2.843
2.766
2.795
2.778
2.835
2.783
31-Jul
2.816
2.79
2.823
2.802
2.78
2.804
mean
mean
mean
2.794833
2.799167
2.809833
2.819333
2.807167
2.794333
2.809833
2.8145
2.8
2.8025
2.80515
Finger Height (mm)
Day
20-Jul
21-Jul
22-Jul
23-Jul
24-Jul
27-Jul
28-Jul
29-Jul
30-Jul
31-Jul
1
2.021
1.836
2.004
2.177
2.167
2.016
1.939
2.179
1.962
2.26
2
2.158
2.256
2.166
2.171
2.032
2.108
2.302
2.189
2.128
1.99
3
2.049
2.099
1.955
2.068
2.032
2.105
2.019
1.97
1.976
1.863
4
1.959
2.269
2.125
2.143
1.955
2.037
2.154
2.067
2.228
2.183
m
Sample Number:
5
6
2.107
1.875
2.193
2.193
1.988
2.009
1.979
2.278
2.018
2.007
1.957
1.881
2.104
1.83
2.088
1.903
2.036
1.949
2.02
1.889
mean
mean
2.028167
2.141
2.041167
2.136
2.035167
2.017333
2.058
2.066
2.0465
2.034167
2.06035
R bar
pod weight
Day
20-Jul
21-Jul
22-Jul
23-Jul
24-Jul
27-Jul
1
2.792
2.774
2.797
2.819
2.754
2.784
2
2.81
2.783
2.79
2.787
2.793
2.781
3
2.777
2.799
2.785
2.809
2.82
2.733
4
2.799
2.82
2.795
2.862
2.846
2.801
Sample Number:
maximum
5
6
2.803
2.788
2.81
2.812
2.807
2.82
2.866
2.826
2.866
2.823
2.816
2.862
2.823
2.807
2.846
2.823
2.844
2.844
28-Jul
29-Jul
30-Jul
31-Jul
2.844
2.806
2.843
2.816
2.799
2.786
2.766
2.79
2.781
2.836
2.795
2.823
2.802
2.815
2.778
2.802
2.82
2.836
2.835
2.78
mean
2.813
2.808
2.783
2.804
Mean R
2.844
2.836
2.843
2.823
2.8394
Finger Height (mm)
Day
20-Jul
21-Jul
22-Jul
23-Jul
24-Jul
27-Jul
28-Jul
29-Jul
30-Jul
31-Jul
1
2.021
1.836
2.004
2.177
2.167
2.016
1.939
2.179
1.962
2.26
2
2.158
2.256
2.166
2.171
2.032
2.108
2.302
2.189
2.128
1.99
3
2.049
2.099
1.955
2.068
2.032
2.105
2.019
1.97
1.976
1.863
4
1.959
2.269
2.125
2.143
1.955
2.037
2.154
2.067
2.228
2.183
Sample Number:
maximum
5
6
2.107
1.875
2.158
2.193
2.193
2.269
1.988
2.009
2.166
1.979
2.278
2.278
2.018
2.007
2.167
1.957
1.881
2.108
2.104
1.83
2.302
2.088
1.903
2.189
2.036
1.949
2.228
2.02
1.889
2.26
mean
2.2125
ucl lcl and cl value calculation
Pod Weight (grams)
UCL = X +(A 2* R)
(2.805 + (0.48 * 0.0671) = 2.837
LCL = X -(A 2* R)
(2.805 - (0.48 * 0.0671) = 2.773
Finger Height (mm)
UCL = X + (A 2 * R)
(2.060 + (0.48 * 0.3099) = 2.209
LCL = X - (A 2* R)
(2.060 - (0.48 * 0.3099) = 1.912
The UCL and the LCL for R Chart were found with the following equations:
Pod Weight (grams)
UCL= D 4* R
(2 * 0.067) = 0.134
LCL =D 3* R
(0 * 0.067) = 0
Finger Height (mm)
UCL= D 4* R
(2 * 0.310) = 0.620
LCL = D 3* R
(0 * 0.310) = 0
The values ofA 2, D4 and D3 were obtained from the E.L.Grant and R.S. Leavenworth table, a summary
which is presented below (Full table in Exhibit 4).
E.L.Grant and R.S.Leavenworth table
Number of observations
n
in each 6sample
Factor for Xbar
A 2 Chart
Factor for R-Chart
D3
LCL
Factor for R-Chart
D4
UCL
0.48
0
2
x bar chart for pod weight
2.85
2.84
2.83
lcl
Axis Title
2.82
cl
2.81
ucl
2.8
mean
2.79
Linear (cl)
2.78
Linear (ucl)
2.77
2.76
16-Jul
Power (mean)
21-Jul
26-Jul
31-Jul
5-Aug
Axis Title
Xbar chart for finger height
2.25
Axis Title
2.2
2.15
lcl
2.1
cl
2.05
ucl
2
mean
1.95
Linear (cl)
1.9
1.85
16-Jul
Linear (ucl)
21-Jul
26-Jul
31-Jul
5-Aug
Power (mean)
Axis Title
0.16
0.14
minimum Rane R
2.777
2.774
2.785
2.787
2.754
2.733
0.033
0.046
0.081
0.075
0.092
0.111
x Bar
lcl
cl
ucl
lcl
2.7723 2.80515
2.8394
2.7723 2.80515
2.8394
2.7723 2.80515
2.8394
2.7723 2.80515
2.8394
2.7723 2.80515
2.8394
2.7723 2.80515
2.8394
cl
0
0
0
0
0
0
0.067
0.067
0.067
0.067
0.067
0.067
R bar
ucl
0.134
0.134
0.134
0.134
0.134
0.134
0.12
0.1
0.08
0.06
0.04
2.781
2.786
2.766
2.78
0.063
0.05
0.077
0.043
2.7723
0.0671
minimum Range R
1.875
1.836
1.955
1.979
1.955
1.881
1.83
1.903
1.949
1.863
0.283
0.433
0.211
0.299
0.212
0.227
0.472
0.286
0.279
0.397
1.9026
0.3099
nworth table, a summary of
2.7723
2.7723
2.7723
2.7723
x Bar
lcl
cl
1.912
1.912
1.912
1.912
1.912
1.912
1.912
1.912
1.912
1.92
2.80515
2.80515
2.80515
2.80515
2.8394
2.8394
2.8394
2.8394
ucl
2.06
2.06
2.06
2.06
2.06
2.06
2.06
2.06
2.06
2.06
0
0
0
0
lcl
2.209
2.209
2.209
2.209
2.209
2.209
2.209
2.209
2.209
2.209
0.067
0.067
0.067
0.067
R bar
ucl
cl
0
0
0
0
0
0
0
0
0
0
0.134
0.134
0.134
0.134
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.04
0.02
0
18-Jul
0.7
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.6
0.5
0.4
0.3
0.2
0.1
R chart for Pod weight
0.16
R chart for Pod
0.14
0.12
0.1
0.08
0.06
0.04
Rane R
lcl
cl
ucl
ucl
0.04
0.02
0
18-Jul
20-Jul
22-Jul
24-Jul
26-Jul
28-Jul
30-Jul
1-Aug
R chart for fingure height
0.7
0.6
0.5
ucl
0.4
cl
0.3
lcl
0.2
Range R
0.1
0
18-Jul
20-Jul
22-Jul
24-Jul
26-Jul
28-Jul
30-Jul
1-Aug
L
20-Jul
21-Jul
22-Jul
23-Jul
24-Jul
27-Jul
28-Jul
29-Jul
30-Jul
31-Jul
2.792
2.774
2.797
2.819
2.754
2.784
2.844
2.806
2.843
2.816
2.81
2.783
2.79
2.787
2.793
2.781
2.799
2.786
2.766
2.79
2.777
2.799
2.785
2.809
2.82
2.733
2.781
2.836
2.795
2.823
2.799
2.82
2.795
2.862
2.846
2.801
2.802
2.815
2.778
2.802
Pod
Weight
(grams)
Day
2.803
2.812
2.866
2.823
2.823
2.823
2.82
2.836
2.835
2.78
2.788
2.807
2.826
2.816
2.807
2.844
2.813
2.808
2.783
2.804
2.795
2.799
2.81
2.819
2.807
2.794
2.81
2.815
2.8
2.803
2.81
2.82
2.866
2.862
2.846
2.844
2.844
2.836
2.843
2.823
2.777
2.774
2.785
2.787
2.754
2.733
2.781
2.786
2.766
2.78
0.033
0.046
0.081
0.075
0.092
0.111
0.063
0.05
0.077
0.043
2.773
2.773
2.773
2.773
2.773
2.773
2.773
2.773
2.773
2.773
Shift
3-Aug A
B
C
4-Aug A
B
C
5-Aug A
B
C
6-Aug A
B
C
7-Aug A
B
C
10-Aug A
B
C
11-Aug A
B
C
12-Aug A
B
C
13-Aug A
B
C
14-Aug A
B
C
17-Aug A
B
C
18-Aug A
B
C
19-Aug A
B
C
20-Aug A
B
C
21-Aug A
B
C
Exhibit 6 (continued)
Finger
Day
Shift
3-Aug A
B
C
4-Aug A
B
C
5-Aug A
B
C
6-Aug A
B
C
7-Aug A
B
C
10-Aug A
B
C
11-Aug A
B
C
12-Aug A
B
C
13-Aug A
B
C
14-Aug A
B
C
17-Aug A
B
C
18-Aug A
B
C
19-Aug A
B
C
20-Aug A
B
C
21-Aug A
B
C
1
2.8
2.75
2.768
2.841
2.801
2.778
2.76
2.829
2.741
2.814
2.787
2.766
2.774
2.77
2.832
2.829
2.85
2.803
2.815
2.782
2.779
2.815
2.846
2.767
2.85
2.81
2.85
2.75
2.83
2.74
2.753
2.851
2.845
2.844
2.806
2.849
2.82
2.79
2.85
2
2.799
2.82
2.807
2.802
2.77
2.807
2.804
2.804
2.85
2.804
2.802
2.805
2.801
2.801
2.836
2.846
2.804
2.803
2.804
2.806
2.807
2.815
2.854
2.804
2.804
2.82
2.82
2.765
2.77
2.77
2.807
2.751
2.804
2.777
2.839
2.801
2.793
2.78
2.806
Sample Number:
3
4
2.76
2.802
2.85
2.74
2.807
2.804
2.802
2.806
2.833
2.77
2.804
2.804
2.804
2.806
2.805
2.806
2.744
2.766
2.803
2.805
2.805
2.804
2.804
2.802
2.805
2.805
2.833
2.77
2.794
2.843
2.76
2.854
2.805
2.806
2.773
2.837
2.803
2.804
2.806
2.804
2.808
2.803
2.803
2.864
2.76
2.829
2.834
2.803
2.804
2.804
2.814
2.794
2.75
2.74
2.85
2.76
2.848
2.76
2.833
2.77
2.805
2.804
2.752
2.773
2.803
2.806
2.754
2.791
2.805
2.804
2.804
2.762
2.812
2.833
2.764
2.843
2.805
2.814
5
2.805
2.85
2.804
2.807
2.84
2.803
2.805
2.807
2.767
2.807
2.805
2.804
2.805
2.84
2.813
2.817
2.807
2.808
2.803
2.803
2.803
2.834
2.817
2.803
2.804
2.798
2.85
2.79
2.75
2.84
2.802
2.849
2.805
2.833
2.85
2.814
2.853
2.843
2.807
6
2.803
2.79
2.803
2.807
2.741
2.804
2.806
2.807
2.808
2.804
2.804
2.806
2.804
2.741
2.743
2.805
2.807
2.808
2.802
2.802
2.803
2.803
2.805
2.803
2.804
2.787
2.79
2.84
2.83
2.8
2.804
2.806
2.806
2.811
2.74
2.791
2.812
2.818
2.807
2.767
2.833
2.824
2.778
2.801
2.77
2.831
2.825
2.799
2.775
2.832
2.787
2.808
2.793
2.79
2.799
2.758
2.744
2.793
2.813
2.764
2.805
2.759
2.766
2.836
2.823
2.817
2.833
2.773
2.807
2.811
2.766
2.805
2.772
2.814
2.803
15
5
2.05
2.02
1.76
2.32
2.25
1.88
2.54
2.17
1.89
2.29
2.01
1.89
2.11
2.24
1.89
2.15
2.07
1.84
2.17
2.07
2.06
2.21
2.04
2.01
2.39
2.23
2.13
2.13
1.78
1.75
2.27
1.77
1.78
2.08
1.77
2.02
2.44
2.24
1.75
1.98
2.26
1.96
6
2.16
2.03
1.88
2.16
2.24
2.17
2.25
2.24
1.76
2.32
2.23
1.76
2.16
2.13
1.87
2.11
2.16
1.74
2.3
2.22
1.89
2.45
2.09
1.75
2.15
2.04
1.9
2.05
1.87
1.83
2.11
1.82
1.64
2.09
1.94
1.86
2
2.28
2.04
2.23
2.18
2.05
Sample Statistical Control Measurements
1
1.9
2.15
1.73
2.3
2.28
1.92
2.39
2.11
1.89
2.51
2.22
1.89
1.95
2.08
2.31
2.23
2.23
1.73
2.21
2.17
2.01
2.08
1.93
1.84
2.23
2.19
1.96
2.27
1.92
1.78
2.31
2.02
1.76
2.06
1.76
2.25
2.28
2.31
1.87
2.16
2.06
1.8
2
1.95
2.17
1.9
2.41
2.16
2.24
2.28
2.21
1.9
2.25
2.19
1.9
2.07
2.03
1.9
2.25
2.21
2
2.11
2.19
1.9
2.19
2.09
2.12
2.01
2.22
2.05
2
1.78
1.65
2.35
1.97
1.91
2.14
1.83
1.88
2.15
2.27
1.89
2.38
2.08
1.71
Sample Number:
3
1.94
2.11
2.07
2.54
2.19
2.11
2.1
2.24
1.73
2.08
2.22
1.78
2.25
2.27
1.86
2.21
2.05
1.79
2.21
2.15
1.9
2.28
1.9
1.9
2.25
2.18
2.16
2.06
1.76
2.04
2.25
1.81
2.01
1.91
1.79
2.11
2.17
2.16
2.03
2.2
2.14
1.65
4
2
2.13
1.89
2.37
2.08
1.89
2.36
2.21
2.07
2.35
2.24
2.07
1.95
2.23
1.91
1.89
2.19
1.75
2.44
2.04
1.81
2.29
1.95
1.89
2.11
2.15
1.87
1.97
1.77
1.63
1.99
1.73
1.85
2.06
1.79
2.18
2.18
2.1
1.69
2.25
2.24
1.68
1.75
1.9
1.8
2
1.9
2.01
Separate table for each shift
2.04
1.81
1.73
2
1.86
1.89
2.15
1.98
2.01
2.06
1.81
1.91
.
NOTE proceed to the next work sheet
Exhibit 6
Pod Weight (grams) for each shift
Shift A
Day
Shift
1
3 August A
2.8
4 August A
2.841
5 August A
2.76
6 August A
2.814
7 August A
2.774
10 August A
2.829
11 August A
2.815
12 August A
2.815
13 August A
2.85
14 August A
2.75
17 August A
2.753
18 August A
2.844
19 August A
2.82
20 August A
2.767
21 August A
2.778
Shift B
Day
Shift
1
3 August B
2.75
4 August B
2.801
5 August B
2.829
6 August B
2.787
7 August B
2.77
10 August B
2.85
11 August B
2.782
12 August B
2.846
13 August B
2.81
14 August B
2.83
17 August B
2.851
18 August B
2.806
19 August B
2.79
20 August B
2.833
21 August B
2.801
Shift C
Day
Shift
1
3 August C
2.768
4 August C
2.778
5 August C
2.741
6 August C
2.766
7 August C
2.832
10 August C
2.803
11 August C
2.779
12 August C
2.767
13 August C
2.85
14 August C
2.74
17 August C
2.845
18 August C
2.849
19 August C
2.85
20 August C
2.824
2
2.799
2.802
2.804
2.804
2.801
2.846
2.804
2.815
2.804
2.765
2.807
2.777
2.793
2.831
2.775
3
2.76
2.802
2.804
2.803
2.805
2.76
2.803
2.803
2.804
2.85
2.805
2.754
2.812
2.808
2.799
4
2.802
2.806
2.806
2.805
2.805
2.854
2.804
2.864
2.804
2.76
2.804
2.791
2.833
2.793
2.805
5
2.805
2.807
2.805
2.807
2.805
2.817
2.803
2.834
2.804
2.79
2.802
2.833
2.853
2.836
2.833
6 Mean
2.803
2.795
2.807
2.811
2.806
2.798
2.804
2.806
2.804
2.799
2.805
2.819
2.802
2.805
2.803
2.822
2.804
2.812
2.84
2.793
2.804
2.796
2.811
2.802
2.812
2.821
2.811
2.808
2.772
2.794
2
2.82
2.77
2.804
2.802
2.801
2.804
2.806
2.854
2.82
2.77
2.751
2.839
2.78
2.825
2.832
3
2.85
2.833
2.805
2.805
2.833
2.805
2.806
2.76
2.814
2.848
2.752
2.805
2.764
2.793
2.758
4
2.74
2.77
2.806
2.804
2.77
2.806
2.804
2.829
2.794
2.76
2.773
2.804
2.843
2.813
2.759
5
2.85
2.84
2.807
2.805
2.84
2.807
2.803
2.817
2.798
2.75
2.849
2.85
2.843
2.823
2.773
6 Mean
2.79
2.8
2.741
2.793
2.807
2.81
2.804
2.801
2.741
2.793
2.807
2.813
2.802
2.801
2.805
2.819
2.787
2.804
2.83
2.798
2.806
2.797
2.74
2.807
2.818
2.806
2.766
2.809
2.814
2.79
2
2.807
2.807
2.85
2.805
2.836
2.803
2.807
2.804
2.82
2.77
2.804
2.801
2.806
2.799
3
2.807
2.804
2.744
2.804
2.794
2.773
2.808
2.834
2.75
2.833
2.803
2.804
2.805
2.79
4
2.804
2.804
2.766
2.802
2.843
2.837
2.803
2.803
2.74
2.77
2.806
2.762
2.814
2.764
5
2.804
2.803
2.767
2.804
2.813
2.808
2.803
2.803
2.85
2.84
2.805
2.814
2.807
2.817
6 Mean
2.803
2.799
2.804
2.8
2.808
2.779
2.806
2.798
2.743
2.81
2.808
2.805
2.803
2.801
2.803
2.802
2.79
2.8
2.8
2.792
2.806
2.812
2.791
2.804
2.807
2.815
2.805
2.8
21 August C
2.77
2.787
2.744
2.766
2.807
2.803
2.78
Pod weight Data and R Charts for shift A, B and C
Max
Min
2.805
2.841
2.806
2.814
2.805
2.854
2.815
2.864
2.85
2.85
2.807
2.844
2.853
2.836
2.833
Max
2.76
2.802
2.76
2.803
2.774
2.76
2.802
2.803
2.804
2.75
2.753
2.754
2.793
2.767
2.772
Range
LCL
CL
UCL
LCL
0.045
2.773
2.805
2.837
0.039
2.773
2.805
2.837
0.046
2.773
2.805
2.837
0.011
2.773
2.805
2.837
0.031
2.773
2.805
2.837
0.094
2.773
2.805
2.837
0.013
2.773
2.805
2.837
0.061
2.773
2.805
2.837
0.046
2.773
2.805
2.837
0.1
2.773
2.805
2.837
0.054
2.773
2.805
2.837
0.09
2.773
2.805
2.837
0.06
2.773
2.805
2.837
0.069
2.773
2.805
2.837
0.061
2.773
2.805
2.837
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2.74
2.741
2.804
2.787
2.741
2.804
2.782
2.76
2.787
2.75
2.751
2.74
2.764
2.766
2.758
Range
LCL
CL
UCL
LCL
0.11
2.773
2.805
2.837
0.099
2.773
2.805
2.837
0.025
2.773
2.805
2.837
0.018
2.773
2.805
2.837
0.099
2.773
2.805
2.837
0.046
2.773
2.805
2.837
0.024
2.773
2.805
2.837
0.094
2.773
2.805
2.837
0.033
2.773
2.805
2.837
0.098
2.773
2.805
2.837
0.1
2.773
2.805
2.837
0.11
2.773
2.805
2.837
0.079
2.773
2.805
2.837
0.067
2.773
2.805
2.837
0.074
2.773
2.805
2.837
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2.768
2.778
2.741
2.766
2.743
2.773
2.779
2.767
2.74
2.74
2.803
2.762
2.805
2.764
Range
LCL
CL
UCL
LCL
0.039
2.773
2.805
2.837
0.029
2.773
2.805
2.837
0.109
2.773
2.805
2.837
0.04
2.773
2.805
2.837
0.1
2.773
2.805
2.837
0.064
2.773
2.805
2.837
0.029
2.773
2.805
2.837
0.067
2.773
2.805
2.837
0.11
2.773
2.805
2.837
0.1
2.773
2.805
2.837
0.042
2.773
2.805
2.837
0.087
2.773
2.805
2.837
0.045
2.773
2.805
2.837
0.06
2.773
2.805
2.837
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Min
2.85
2.84
2.829
2.805
2.84
2.85
2.806
2.854
2.82
2.848
2.851
2.85
2.843
2.833
2.832
Max
Min
2.807
2.807
2.85
2.806
2.843
2.837
2.808
2.834
2.85
2.84
2.845
2.849
2.85
2.824
CL
UCL
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
CL
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
UCL
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
CL
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
UCL
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.067
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
0.134
2.807
2.744
0.063
2.773
2.805
2.837
0
0.067
0.134
Shift A
0.16
0.14
0.12
0.1
Range
LCL
0.08
CL
0.06
UCL
0.04
0.02
0
0
5
10
15
20
Shift B
0.16
0.14
0.12
0.1
Range
LCL
0.08
CL
0.06
UCL
0.04
0.02
0
0
5
10
15
20
Shift C
0.16
0.14
0.12
0.1
0.08
0.06
Range
LCL
CL
UCL
CL
0.06
UCL
0.04
0.02
0
0
5
10
15
20
Range
LCL
CL
UCL
CL
UCL
Exhibit 6
Pod Weight (grams) for each shift
Shift A
Day
Shift
1
3 August A
2.8
4 August A
2.841
5 August A
2.76
6 August A
2.814
7 August A
2.774
10 August A
2.829
11 August A
2.815
12 August A
2.815
13 August A
2.85
14 August A
2.75
17 August A
2.753
18 August A
2.844
19 August A
2.82
20 August A
2.767
21 August A
2.778
Shift B
Day
Shift
1
3 August B
2.75
4 August B
2.801
5 August B
2.829
6 August B
2.787
7 August B
2.77
10 August B
2.85
11 August B
2.782
12 August B
2.846
13 August B
2.81
14 August B
2.83
17 August B
2.851
18 August B
2.806
19 August B
2.79
20 August B
2.833
21 August B
2.801
Shift C
Day
Shift
1
3 August C
2.768
4 August C
2.778
5 August C
2.741
6 August C
2.766
7 August C
2.832
10 August C
2.803
11 August C
2.779
12 August C
2.767
13 August C
2.85
14 August C
2.74
17 August C
2.845
18 August C
2.849
19 August C
2.85
2
2.799
2.802
2.804
2.804
2.801
2.846
2.804
2.815
2.804
2.765
2.807
2.777
2.793
2.831
2.775
3
2.76
2.802
2.804
2.803
2.805
2.76
2.803
2.803
2.804
2.85
2.805
2.754
2.812
2.808
2.799
4
2.802
2.806
2.806
2.805
2.805
2.854
2.804
2.864
2.804
2.76
2.804
2.791
2.833
2.793
2.805
5
2.805
2.807
2.805
2.807
2.805
2.817
2.803
2.834
2.804
2.79
2.802
2.833
2.853
2.836
2.833
6 Mean
2.803
2.795
2.807
2.811
2.806
2.798
2.804
2.806
2.804
2.799
2.805
2.819
2.802
2.805
2.803
2.822
2.804
2.812
2.84
2.793
2.804
2.796
2.811
2.802
2.812
2.821
2.811
2.808
2.772
2.794
2
2.82
2.77
2.804
2.802
2.801
2.804
2.806
2.854
2.82
2.77
2.751
2.839
2.78
2.825
2.832
3
2.85
2.833
2.805
2.805
2.833
2.805
2.806
2.76
2.814
2.848
2.752
2.805
2.764
2.793
2.758
4
2.74
2.77
2.806
2.804
2.77
2.806
2.804
2.829
2.794
2.76
2.773
2.804
2.843
2.813
2.759
5
2.85
2.84
2.807
2.805
2.84
2.807
2.803
2.817
2.798
2.75
2.849
2.85
2.843
2.823
2.773
6 Mean
2.79
2.8
2.741
2.793
2.807
2.81
2.804
2.801
2.741
2.793
2.807
2.813
2.802
2.801
2.805
2.819
2.787
2.804
2.83
2.798
2.806
2.797
2.74
2.807
2.818
2.806
2.766
2.809
2.814
2.79
2
2.807
2.807
2.85
2.805
2.836
2.803
2.807
2.804
2.82
2.77
2.804
2.801
2.806
3
2.807
2.804
2.744
2.804
2.794
2.773
2.808
2.834
2.75
2.833
2.803
2.804
2.805
4
2.804
2.804
2.766
2.802
2.843
2.837
2.803
2.803
2.74
2.77
2.806
2.762
2.814
5
2.804
2.803
2.767
2.804
2.813
2.808
2.803
2.803
2.85
2.84
2.805
2.814
2.807
6 Mean
2.803
2.799
2.804
2.8
2.808
2.779
2.806
2.798
2.743
2.81
2.808
2.805
2.803
2.801
2.803
2.802
2.79
2.8
2.8
2.792
2.806
2.812
2.791
2.804
2.807
2.815
20 August C
21 August C
2.824
2.77
2.799
2.787
2.79
2.744
2.764
2.766
2.817
2.807
2.805
2.803
2.8
2.78
Max
Min
2.805
2.841
2.806
2.814
2.805
2.854
2.815
2.864
2.85
2.85
2.807
2....