The x-bar chart indicates that a gain or loss of uniformity has occurred in the central tendency of a production process.

Question

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The x-bar chart is a type of statistical process control chart used to monitor the central tendency of a production process. It is designed to detect whether a process is in a state of statistical control or if a gain or loss of uniformity has occurred in the central tendency. Therefore, if the x-bar chart shows a change in the central tendency, it indicates that a gain or loss of uniformity has occurred in the production process.

The X-Bar Chart Indicates That a Gain or Loss of Uniformity