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. d SAMPLE 10 HW Un CO w in IRREGULARITIES 4 4 6 4 a. Determine the c , Sp. UCL 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.) C 3.30 Sp 1.82 UCL 6.94 LCL 0.34 X