Question: q28 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;
q28
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, 4.81, 8.17, and 3.31 respectively. If the lower control limit for X-bar chart is 11.30, what should be the most appropriate the sample size? a. 5 b. 4 O c. 3 O d. 2 e. None is correct O
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