A restaurant chain claims that it serves its customers in exactly 15 minutes after an order is placed. However, customers from one of its outlets have been complaining that this is not true. Therefore, the COO of the chain decides to visit the outlet. He managed to measure the exact time taken to serve 45 customers. The data that he collected is given below. Q Customer Service Time Data &, Download Now, the COD wants you to test the assumption that the time taken is exactly 15 minutes. If the outlet is taking less time, he will transfer some of its employees to another outlet. However, if it is taking more time, he will need to hire more employees