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 was collected from a sample provided by the supplier. a. Determine the R,Sp,CL and LCL for a c-chart with z=2. (Leave no cells blank - be certain to enter " 0 " wherever required. Round your answers to 2 decimal places.) b. Suppose the next five rolls from the supplier had three, two, five, three, and seven irregularities. Is the supplier process under control? Yes No