Question: An x-bar control chart was examined and no data points fell outside of the limits. Can this process be considered in control? Question 1 options:

An x-bar control chart was examined and no data points fell outside of the limits. Can this process be considered in control?

Question 1 options:

Yes, it is unlikely that there is a pattern in these points

No, the number of samples must be known

Yes

No, there could be a pattern to the points, the R-chart must be checked

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