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Assuming that these data were collected when the manufacturing process was believed to be operating in control, develop the $R$ chart.

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

UCL$=$

$LCL=$

$6$

$($

The

$($

Assuming that these data were collected when the manufacturing process was believed to be operating in control, develop the $\stackrel{}{x}$ chart.

Compute the upper and lower control limits for the $\stackrel{}{x}$ chart. $($Round your answers to two decimal places.$)$

UCL$=$