$1$ points

Refer to the attached Excel file $"$HW Control Charts" using the $"$R$-$Chart" tab data; the UCL, CL and LCL of those samples are:

$\backslash$table$[[$UCL:$8\mathrm{.}08,$ CL:$2\mathrm{.}2$ LCL:$6\mathrm{.}05],[$UCL:$0\mathrm{.}21,$ CL:$0\mathrm{.}5$ LCL:$0\mathrm{.}11],[$UCL:$0\mathrm{.}11,$ CL:$0\mathrm{.}05$ LCL:$0\mathrm{.}00],[$UCL:$0\mathrm{.}01,$ CL:$0\mathrm{.}053$ LCL:$0\mathrm{.}11],[$UCL:$0\mathrm{.}3,$ CL:$0\mathrm{.}11$ LCL:$0\mathrm{.}00]]$