A shirt manufacturer buys cloth by the $100-$yard roll from a supplier. For setting up a control chart to manage the irregularities $($e$.$g$.,$

loose threads and tears$),$ the following data were collected from a sample provided by the supplier.

a$.$ Determine the $\frac{?}{\text{b}\text{a}\text{r}}(c),S_p,CL$ and LCL for a $c-$chart with $z=2.($Leave no cells blank. Round up any negative $LCL$ value to $"0".$ Round

your answers to $2$ decimal places.$)$ can't get the LCL right