in control, the range in the weight of each sample has averaged $5$ grams.

Click the icon to view the table of factors for calculating three$-$sigma limits for the $\stackrel{}{x}-$chart and $R-$chart.

a$.$ Design an $R-$ and an $\stackrel{}{x}-$chart for this process.

The $UC{L}_R$ equals $9\mathrm{.}62$ grams and the $LC{L}_R$ equals $0\mathrm{.}38$ grams. $($Enter your response rounded to two decimal places.$)$

The $UCL{L}_{\stackrel{}{x}}$ equals grams and the $LC{L}_{\stackrel{}{x}}$ equals grams. $($Enter your responses rounded to two decimal places.$)$