VI (50) For each of the following just give the name of the test. 1. Five junior executives were sent to a class to improve their verbal skills. In order to test the quality of the program, the students were tested before and after taking the class. a. Assume the data comes from a normal population. What test would you use to show whether these records indicate a significant improvement in verbal skills. b. Assume the data comes from a non-normal population. What test would you use to show whether these records indicate a significant improvement in verbal skills