Three prospective employees take equivalent tests of critical thinking. Which of the following scores corresponds to the

Question:

Three prospective employees take equivalent tests of critical thinking. Which of the following scores corresponds to the highest relative position?
a. A score of 37 on a test for which x = 28 and s = 6
b. A score of 398 on a test for which x = 312 and s = 56
c. A score of 4.10 on a test for which x = 2.75 and s = 0.92