Exercise: XbarR Chart
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1. Question
XbarR Chart Exercise
Data File: SPC.MTW
A small and fairly new pharmaceutical company has an over-the-counter liquid drug product that has five production lines packaging bottles intended to contain 5 oz of medication. As the quality control engineer, you are tasked with monitoring the fill quantities across production lines using statistical process control. In doing so, you will be able to alert the company to make production or process adjustments if fill quantities go out of control. Use the “SPC.MTW” data file to run an XbarR chart on the 100 oz samples, with the subgroups being the production lines. Determine if any process changes are necessary.
Question:
Based on your XbarR chart output, is the process in control?
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