Transcript text: Set up the $\bar{x}$-chart by specifying the center line and three-sigma control limits below. (Enter your responses rounded to two decimal places.)
\begin{tabular}{c}
$\overline{\text { x }}$-chart \\
\hline UCL $_{\overline{\dot{x}}}=17.28$ \\
$\overline{\bar{x}}=10.93$ \\
$\mathrm{LCL}_{\dot{x}}=4.58$ \\
\hline
\end{tabular}
b. On the control charts developed in part (a). plot the values from samples 16 through 25 and comment on whether the process is in control.
Choose the correct R-chart for the data below.
A.
B.
C.
D.