Question: 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 Quality Analyst wants to construct a control
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 4 1 2 3 M1 145 170 158 144 M2 150 154 157 145 M3 167 149 147 146 M4 169 145 144 144 M5 152 168 154 155 Does this process appear to be out of control? If yes, identify a machine using the factors of three sigma control limits. O a. Process is in Control O b. M5 O c. M2 O d. M3

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