b$.$ Determine X$=$

and R$$

$.$

Note: Round your answers to $3$ decimal places.

c$.$ Determine the UCL and LCL for a X$$

chart.

Note: Round your answers to $3$ decimal places.

d$.$ Determine the UCL and LCL for R$-$chart.

Note: Leave no cells blank $-$ be certain to enter $"0"$ wherever required. Round your answers to $3$ decimal places.

What comments can you make about the process?

multiple choice

Process is in statistical control

Process is out of statistical control