A manufacturer of cell phones counts the number of defective phones in an eight hour shift. Over the last ten days, the number of defective shafts per eight hour shift has been reported. To construct a process control chart for the mean number defective, what is the lower control limit?

Question

A manufacturer of cell phones counts the number of defective phones in an eight hour shift. Over the last ten days, the number of defective shafts per eight hour shift has been reported.  To construct a process control chart for the mean number defective, what is the lower control limit?

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The Answer of A manufacturer of cell phones counts the number of defective phones in an eight hour shift. Over the last ten days, the number of defective shafts per eight hour shift has been reported.  To construct a process control chart for the mean number defective, what is the lower control limit?

A Manufacturer of Cell Phones Counts the Number of Defective