Sund

The overall average on a process you are altempting to monitor is $60\mathrm{.}0$ unls. The process population standard deviation $1\mathrm{.}84.$ Sample size is given to be $4.$

a$)$ Determine the $3-$sigma $\stackrel{}{x}-$chant control imiss.

Upper Control Limit $($UCL$-$; $)=62\mathrm{.}76$ units $($round your response to two decimal places$)$

Lower Control Limit $($LCL$-$; $)=$ units fround your response to bur decimal placess$).$