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 lower control limit for X-bar chart is 11.59, what should be the most appropriate the sample size? Select one: O a. 4 O b.5 O c. None is correct d. 3 e. 2 Next page 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 lower control limit for X-bar chart is 11.59, what should be the most appropriate the sample size? Select one: O a. 4 O b.5 c. None is correct d. 3 e. 2 Next page A manager wishes to build a control chart for a process. A total of five (05) samples are collected with six (06) observations within each sample. 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. The lower and upper control limits of the R-chart are respectively Select one: O a. 0, 14.11 b. 0,13.38 O c. 1, 10.5 d. O, 15.25 e. None is correct