A recent study posed the question about whether Japanese managers are more motivated than American managers. A randomly selected sample of each was administered the Sarnoff Survey of Attitudes Toward Life (SSATL), which measures motivation for upward mobility. The SSATL scores are summarized below.American JapaneseSample size 211 100Mean SSATL Score 65.75 79.83Population Std Dev 11.07 6.41Judging from the way the data were collected, which test would likely be most appropriate?A. Related samples t-test for mean differenceB. Pooled-variance t-test for the difference in meansC. Independent samples Z-test for the difference in meansD. Related samples Z-test for mean difference