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?

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


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