8. Suppose that for 12 random months (with the process assumed to be in control) of deliveries in the maternity ward at the Marshall Medical Center, the numbers of babies requiring an extended hospital stay, respectively, were: (a) Calculate the Center Line (accurate to 2 decimal places) for the cchart for this data. 3pts. (b) Calculate the zone width (accurate to 2 decimal places) for the c-chart for this data. 3pts (c) Specify into which of the six zones on this c-chart a similar month with 25 babies requiring extended hospital stays would fall. (Justify your answer.) 3 pts