Question 25 4 pts The managers are considering a new training program that has the potential to improve the the customer's satisfaction (0-10 scale} with the service provided. The efcacy of the training could best be studied by: O Implementing a survey of the agents to see how useful they found the training. 0 Conducting a comparison of resolution rates before and after the agents completed the training. 0 Implementing an experimental method that randomly assigns the training to some agents and not to others. Then we can statistically compare the average customer satisfaction scores of the two groups. 0 No experimental or observational study can be designed because the customer's satisfaction data was collected from a survey