Question: Given there are five (05) sample taken. The sample means (X-bar) are; 15.36, 14.61,16.36,20.28, and 15.77 respectively. Also, the corresponding ranges are; 10.79, 8.37 2.81,8.17,

Given there are five (05) sample taken. The
Given there are five (05) sample taken. The sample means (X-bar) are; 15.36, 14.61,16.36,20.28, and 15.77 respectively. Also, the corresponding ranges are; 10.79, 8.37 2.81,8.17, and 3.31 respectively. If the upper control limit for R-chart is 14.12, what should be the most appropriate the sample size? Select one: a. 2 O b. None is correct O c.4 O d. 3 O e.5

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