Question: A process that is assumed to be in control with limits of 892 had sample averages for the x-bar chart of the following: 87.1,87,87.2,89,90, 90.5,89.5,

A process that is assumed to be in control with limits of 892 had sample averages for the x-bar chart of the following: 87.1,87,87.2,89,90, 90.5,89.5, and 88 . Is the process in control? Yes. No, one or more averages exceeded the limits. Not enough information to tell. No, there is a distinguishable trend. No, two or more consecutive points are very near the lower (or upper) limit
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