Until the scale was changed in 1995, SAT scores were based on a scale set many years ago. For Math scores, the mean under the old scale in the early 1990s was 470 and the standard deviation was 110. In 2016, the mean was 510 and the standard deviation was 103. Gina took the SAT in 1994 and scored 500. Her cousin Colleen took the SAT in 2016 and scored 530. Who did better on the exam and how can you tell? a. Colleen - her standardized score is higher than Gina's

b. Gina - her standardized score is higher than Colleen's

c. Gina - the standard deviation was larger in 2016

d. Colleen - she scored 30 points higher than Gina

e. The two cousins did equally well - their z-scores are the same