b$.$ Determine

X

$$

and

R

$$

$.$ Note: Do not round intermediate calculations. Round your answers to $3$ decimal places. c$.$ Determine the UCL and LCL for an

X

$$

$-$chart. Note: Do not round intermediate calculations. Round your answers to $3$ decimal places. d$.$ Determine the UCL and LCL for an R$-$chart. Note: Leave no cells blank $-$ be certain to enter $"0"$ wherever required. Do not round intermediate calculations. Round your answers to $3$ decimal places.