12. A random population of college students were recruited to participate in a study. The students were asked to complete a maze as fast as they could. The average speed at which the population students completed the maze was 60 seconds with a standard deviation of 8 seconds. Covert the following times into z-scores. ( h) Z-scores a. Student A 42 seconds b. Student B 63 seconds c. Student C 58 seconds 13. Given a population mean of 70 and a population standard deviation of 5, convert the followin scores to raw scores. Z-scores raw scores a. -1.60 b. 0.75 C. -2.18