Question $10(1$ point$)$

What is the lower $3-$sigma x$-$bar chart control limit$?$

A$)20\mathrm{.}5$

B$)18\mathrm{.}9$

C$)22\mathrm{.}6$

D$)18\mathrm{.}6$

E$)17\mathrm{.}6$

Question $11(1$ point$)$

Based on the $x-$bar chart, the above process is in control.

A$)$ TRUE

B$)$ FALSE