Question points Please answer $3$ questions and Fill in the data in the table a$)$ Find the sample average and range for each of the six samples as completing the table. $(2$pts$)$

b$)$ Construct the control limits of the X$-$bar chart. Is there any out of control sample? $(4$pts$)$

c$)$ Construct the control limits of the R$-$chart. Is there any out of control sample? $(4$pts$)$