This is a subjective question, hence you have to write your answer in the Text-Field given below. The number of customers who are not satisfied with the service provided in a retail store is found for 20 samples of size 100 and is shown in Table below. Construct an np control chart for the number of dissatisfied customers. Revise the control limits, assuming special causes for points outside the control limits. How do you compare np chart with a p chart in terms of its utility as well as the complexity involved in its construction. [9] Sample 2 3 8 9 10 Dissatisfied customers 2 5 4 2 3 2 3 11 Sample 11 12 13 14 15 16 17 18 19 20 Dissatisfied customers 5 4 2 5 3 12 3 2 5 2