Question: If R-bar = 0.5, n = 4, and R from a sample is 1.16, then it indicates a. that x-bar chart is out of control

If R-bar = 0.5, n = 4, and R from a sample is 1.16, then it indicates

a.

that x-bar chart is out of control
b.

that the R - chart is out of control
c.

both charts are out of control
d.

none of the above

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