25. A manufacturer of cast pipe has a product with a nominal outside diameter of 120 mm, and a tolerance of + 8 mm. For the x & s chart on the next page (you do not need to plot the data), do the following: A) Calculate the chart control limits and centerlines. (Mean calculations should be accurate to at least 1 decimal place; std dev calculations should be accurate to at least 3 decimal places.) B) Perform a capability analysis. C) Comment on the process capability. Initial Recalc +LCL, +UCL, +LCL, +UCL, 16 ||
25. A manufacturer of cast pipe has a product with a nominal outside diameter of 120 mm, and a tolerance of + 8 mm. For the x & s chart on the next page (you do not need to plot the data), do the following: A) Calculate the chart control limits and centerlines. (Mean calculations should be accurate to at least 1 decimal place; std dev calculations should be accurate to at least 3 decimal places.) B) Perform a capability analysis. C) Comment on the process capability. Initial Recalc +LCL, +UCL, +LCL, +UCL, 16 ||
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
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Transcribed Image Text:25. A manufacturer of cast pipe has a product with a nominal outside diameter of 120 mm, and a
tolerance of + 8 mm. For the x & s chart on the next page (you do not need to plot the data),
do the following:
A) Calculate the chart control limits and centerlines. (Mean calculations should be
accurate to at least 1 decimal place; std dev calculations should be accurate to at least
3 decimal places.)
B) Perform a capability analysis.
C) Comment on the process capability.
Initial
Recalc10
+LCL,
+ UCL,
+LCL,
+UCL,
/6
+C,
+% defective
/6
Transcribed Image Text:x and s Chart
Part Number/Name
PROD1252 Question 25 Control Chart
Spec.
Limits 112 to 128
122.0
117.2
116.8
120.7
114.3
120.1
119.9
120.7
119.6
121.5
122.2
127.0
118.9
124.8
124.3
121.5
117.2
114.8
126.6
121.3
124.5
123.1
119.2
119.2
127.2
122.0
124.4
122.2
122.3
121.8
122.7
115.6
117.2
123.9
118.7
125.0
119.9
119.9
121.3
117.1
121.3
117.5
120.7
117.3
123.1
124.4
116.8
116.4
122.2
123.1
116.6
120.2
115.1
122.5
120.2
121.9
123.4
116.9
123.5
122.3
113.8
119.2
119.3
118.5
124.5
123.9
117.8
119.2
123.3
122.2
120.8
119.5
122.1
122.6
124.8
113.9
124.1
117.3
121.0
119.5
114.9
127.9
118.9
119.9
114.6
118.5
125.2
118.7
119.0
122.4
125.3
116.6
115.2
115.7
119.0
125.5
120.3
120.8
116.8
122.8
120.3
120.2
122.0
123.0
121.5
122.7
116.7
116.3
123.4
119.4
121.6
120.8
118.7
120.7
121.5
121.9
123.1
119.7
122.0
122.9
4.456
2.692
1.388
3.368
3.101
4.010
3.057
1.785
2.036
3.786
1.244
3.198
1.933
2.460
1.158
Sample #
2
3
4
5
6
7
8
9
10
11
12
13
14
15
125
123
121
119
117
115
6
S
2
1
Sample
Measurements
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