Connie and Tom both got a 75% correct on the research methods final exam. The mean for all women who took the test was 80% and the median was 75% with a standard deviation of 5%. The mean for the men was 65% correct and the median was 65% with a standard deviation of 10%. What is the z-score for Connie and Tom relative to those of their own sex?
A. Connie's z-score is +1, Tom's is -2, so Connie really did better.
B. Connie's z-score is -1, Tom's is +1, so Tom really did better.
C. Both Connie and Tom have the same z-score, 1, so they are the same.
D. Connie's z-score is 0 and Tom's is +1, so he did worse.
E. Connie's z-score is -2 and Tom's is -1, so Tom did better.
Answer Key: B