tests in each elementary school yielded the following data:

$\backslash$table$[[$School$,$No$.$ of Test Errors$],[$A$,65],[$B$,14],[$C$,36],[$D$,43],[$E$,55]]$

For the test errors, the $c-$chart with control limits that contain $99\mathrm{.}73\%$ of the random variation in test scores is:

$UC{L}_c=,$ errors $(round$ your response $to$ two decimal places$).$