Question: A production process is sampled 24 times with a sample size of 6 yields an overall mean of 25.2 and an average range of 0.8.
A production process is sampled 24 times with a sample size of 6 yields an overall mean of 25.2 and an average range of 0.8. What is the CENTERLINE for R-chart?
Group of answer choices
a.6
b.25.2
c.24
d.8
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