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If X-double bar = 20, n =4, R-bar= 0.5, and x-bar from a sample is 19.735, then it indicates that for that sample the process
If X-double bar = 20, n =4, R-bar= 0.5, and x-bar from a sample is 19.735, then it indicates that for that sample the process is (consider x-bar chart only)
a. | out of control | |
b. | in control | |
c. | not enough information is given to answer the question | |
d. | none of the above |
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