accompanying table to establish control limits for sample means and ranges for the car wash process.

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

The $UC{L}_R$ equals seconds and the $LC{L}_R$ equals seconds. $($Enter your responses rounded to two decimal places.$)$

More Info

$\backslash$table$[[$Factors for calculating three$-$sigma limits for the $\backslash$bar $($x$)-$chart and R$-$chart$],[\backslash$table$[[$Size of$],[$Sample $($n$)]],\backslash$table$[[$Factor for UCL and LCL$],[$for $\backslash$bar $($x$)-$chart $($A$\_(2))]],\backslash$table$[[$Factor for LCL$],[$for R$-$Chart $($D$\_(3))]],\backslash$table$[[$Factor for UCL$],[$for R$-$Chart $($D$\_(4))]]],[2,1\mathrm{.}880,0,3\mathrm{.}267],[3,1\mathrm{.}023,0,2\mathrm{.}575],[4,0\mathrm{.}729,0,2\mathrm{.}282],[5,0\mathrm{.}577,0,2\mathrm{.}115],[6,0\mathrm{.}483,0,2\mathrm{.}004],[7,0\mathrm{.}419,0\mathrm{.}076,1\mathrm{.}924],[8,0\mathrm{.}373,0\mathrm{.}136,1\mathrm{.}864],[9,0\mathrm{.}337,0\mathrm{.}184,1\mathrm{.}816],[10,0\mathrm{.}308,0\mathrm{.}223,1\mathrm{.}777]]$