QUESTION $33$

An inspector found an average of $4\mathrm{.}3$ scratches in the exterior paint of each of the automobiles being prepared for shipment to dealers. Please use the appropriate control char to determine three$-$sigma UPPER control limit$.$

$10\mathrm{.}52$

$0$

$-1\mathrm{.}92$

$-0\mathrm{.}05$

$7\mathrm{.}85$