Question: I get how to get 200 as the answer, but how do I get r=4? 1. Determine the number of subgroups needed to estab- lish

I get how to get 200 as the answer, but how do I get r=4?
1. Determine the number of subgroups needed to estab- lish the central lines and control limits for X and R charts with a subgroup size of 2 for an 8-spindle filling machine. How many times in succession can one of the spindles be plotted? aStep by Step Solution
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