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Question :-

A quality control technician is diagramming test results on a run chart. The chart consists of twenty-five points, with twelve consecutive points below the median line; however, the other thirteen points alternate above and below the median line. The twelve consecutive points represent which of the following?
The run denotes common cause variation.
The quality process is flawed and should be completed again.
The product does not adhere to specification.
The run denotes special cause variation.

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