Q1. A quality analyst wants to construct a sample mean and range chart for controlling a packaging process. He knows from long-term experience that the process standard deviation is two ounces. So, he randomly selected four packages each day last week and weighed each. Tha data from that activitu annears below. a) Calculate an sampic ...r.mer control limits that altow Iov ave.... I variations. b) Calculate upper and lower control limits that alcow c) Provide a data plot and com d) Is this process in control? the target value of twenty ounces (20); what is the chance that this process is out of control? f) With the control limit as set in Q1e, is the process under control? Provide your comments