Give an ending for the below statement.
Last week Tom had exams in Statistics and in English. He scored 10 points above the mean on both exams. From this information, you can conclude:
A. Tom has identical z-scores for the two exams.
B. Both of Tom's z-scores are positive.
C. Tom will have a higher z-srore for the exam with the lower mean.
D. None of the other choices is correct.