Additional Problem 10-2 (Algo) An e-commerce website has received some complaints on shipping errors. Managers ask the shipping and handling department to monitor the shipping process and make sure of the quality in their process. To monitor the process, for 10 consecutive weeks, they look into the first 100 shipments and count the number of shipping errors as shown in table below: Week Number of shipping errors 1 3 Upper Control Limit Lower Control Limit 22 3 4 4 5 5 1 6 3 7 2 8 7 9 3 10 2 Construct a two-sigma limit control chart to show whether the shipping process in this e-commerce firm needs any improvement or performs at an acceptable level. (Round your answer to three decimal places.)

An e-commerce website has received some complaints on shipping errors. Managers ask the shipping and handling department to monitor the shipping process and make sure of the quality in their process. To monitor the process, for 10 consecutive weeks, they look into the first 100 shipments and count the number of shipping errors as shown in table below: Construct a two-sigma limit controi chart to show whether the shipping process in this e-commerce firm needs any improvement or performs at an acceptable level. (Round your answer to three decimal places.)