it asks for both the r and x chart

Click the icon to view the table of factors for calculating three-sigma limits for the x-chart and R-chart. a. Construct the control charts for the mean and the range, using the original 15 samples. Set up the R-chart by specifying the center line and three-sigma control limits below. (Enter your responses rounded to two decimal places.) Reference Factors for calculating three-sigma limits for the x-chart and R-chart \begin{array}{l} \multicolumn{3}{c}{ x-cnart } \\ \hline \( \mathrm{UCL}_{\overline{\mathrm{x}}}=16.55^{\top} \\ \overline{\bar{x}}=10.20^{\prime} \\ \mathrm{LCL}_{\overline{\mathrm{x}}}=3.85^{\prime}\end{array} \)