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 1 Measurement 2 Measurement 3 Measurement 4 M1 280 246 274 245 M2 276 290 268 277 M3 256 283 275 272 M4 256 284 266 279 M5 260 244 266 274 Does this process appear to be out of control? If yes, identify a machine using the factors of three sigma control limits. a a. M3 O b. M4 O c. M2 O d. Process is in Control e. M5 Of. M1

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