14 points in a row alternating up and down the mean will not indicate action needed for any process for which a control chart is plotted.
14 points in a row alternating up and down the mean will not indicate action needed for any process for which a control chart is plotted. Correct Answer False
If 14 points in a row, on a control chart, plot alternating up and down the mean, will surely indicate that that process is giving warning signals. This means the process is presently in-control but will go out-of-control in near future.