d. 685 Martin scored 40 points on a quiz. The average score for his class was 39 with a standard deviation of 2.4. Martin's brother Jeff who is in a different class also had a quiz. He scored 29. The average score in Jeff's class was 26 with a standard deviation of 1.9. Find the z- score for each person. Relatively speaking, who did better? Select one: O a. 1.0, 3.0, Jeff O b. 0.42, 1.58, Jeff O c. 0.42, 1.58, Martin O d. 1.0, 3.0, Martin