THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Are medical students more motivated than law students? A randomly selected group of each were administered a survey of attitudes toward Life,which measures motivation for upward mobility.The scores are summarized below.

-Judging from the way the data were collected,which test would likely be most appropriate to employ?

A) independent samples Z-test for the difference in means
B) matched pairs t-test for mean difference
C) pooled-variance t-test for the difference in means
D) matched pairs Z-test for mean difference