You are working with a control chart for p. In order to interpret the chart, which of the following is not a reason to say the process is out of statistical control? 1 There are eight consecutive points above the centerline. 2 There is an obvious pattern of a downward shift. 3 There is a point outside the control limits. 4 There are points above and below the centerline.
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Step 1: Identify the reasons for a process to be considered out of statistical control: - One or more points far outside control limits - 7 consecutive points increasing or decreasing - 8 consecutive data points on one side of the average - 14 consecutive data Show more…
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