You may need to use this table to answer this question.

A process sampled $20$ times with a sample of size $8$ resulted in $\frac{?}{\text{b}\text{a}\text{r}}(\stackrel{}{x})=22\mathrm{.}5$ and $\frac{?}{\text{b}\text{a}\text{r}}(R)=1\mathrm{.}8.$ Compute the upper and lower control limits for the $\stackrel{}{x}$ chart for this process. $($Round your answers to two decimal places.$)$

UCL $=,x$

$LCL=,x$

Compute the upper and lower control limits for the $R$ chart for this process. $($Round your answers to two decimal places.$)$

UCL $=$

$LCL=$

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