Does this process appear to be out of control? If yes, identify a machine using the factors of three sigma control limits.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
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A Quality Analyst wants to construct a control chart for determining whether
five machines, all producing the same product, are under control with
regard to a particular quality variable. Accordingly, four units of putputs
from each machine are collected:
Machine Measurement Measurement Measurement Measurement
1
2
3
4
М1
142
132
143
130
M2
139
146
136
129
M3
135
145
149
142
M4
149
130
147
152
M5
143
143
142
142
Does this process appear to be out of control? If yes, identify a machine
using the factors of three sigma control limits.
а. М5
ОБ. М4
O c. Process is in Control
O d. M2
Ое. МЗ
O f. M1
Transcribed Image Text:A Quality Analyst wants to construct a control chart for determining whether five machines, all producing the same product, are under control with regard to a particular quality variable. Accordingly, four units of putputs from each machine are collected: Machine Measurement Measurement Measurement Measurement 1 2 3 4 М1 142 132 143 130 M2 139 146 136 129 M3 135 145 149 142 M4 149 130 147 152 M5 143 143 142 142 Does this process appear to be out of control? If yes, identify a machine using the factors of three sigma control limits. а. М5 ОБ. М4 O c. Process is in Control O d. M2 Ое. МЗ O f. M1
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