Using the table below calculate UCL and LCL for a range chart. Assume the standard deviation is unknown. Round to $1$ decimal$\mathrm{.}2\mathrm{.}312\mathrm{.}22\mathrm{.}1211\mathrm{.}912\mathrm{.}212\mathrm{.}2312\mathrm{.}0112\mathrm{.}211\mathrm{.}8412\mathrm{.}111\mathrm{.}811\mathrm{.}8$ a$.$ UCL$=0,$ LCL $=1\mathrm{.}2$ b$.$ UCL$=1\mathrm{.}5,$ LCL$=1\mathrm{.}70$ c$.$ UCL$=0\mathrm{.}8,$ LCL$=0$ d$.$ UCL$=1\mathrm{.}2,$ LCL$=0$ e$.$ Cannot be determined