Last week Sarah had exams in her math and Spanish classes. On the math exam, the mean was = 40 with = 5,

Last week Sarah had exams in her math and Spanish classes. On the math exam, the mean was µ = 40 with σ = 5, and Sarah had a score of X = 45. On the Spanish exam, the mean was µ = 60 with σ = 8, and Sarah had a score of X = 68. For which class should Sarah expect the better grade relative to her peers in each class?

a. math

b. Spanish

c. The grades should be the same because the two exam scores are in the same location.

d. There is not enough information provided to determine which is the better grade.