TABLE 10-1
Are Japanese managers more motivated than American managers? A randomly selected group of each were administered the Sarnoff Survey of Attitudes Toward Life (SSATL), which measures motivation for upward mobility. The SSATL scores are summarized below.

-Referring to Table 10-1, judging from the way the data were collected, which test would likely be most appropriate to employ?
A) paired t test
B) pooled-variance t test for the difference between two means
C) F test for the ratio of two variances
D) Z test for the difference between two proportions

Question

TABLE 10-1
Are Japanese managers more motivated than American managers? A randomly selected group of each were administered the Sarnoff Survey of Attitudes Toward Life (SSATL), which measures motivation for upward mobility. The SSATL scores are summarized below.
 
-Referring to Table 10-1, judging from the way the data were collected, which test would likely be most appropriate to employ?
A) paired t test 
B) pooled-variance t test for the difference between two means 
C) F test for the ratio of two variances 
D) Z test for the difference between two proportions

Quizplus · Accepted Answer

The question asks for a comparison of the mean SSATL scores for Japanese and American managers. Additionally, the question indicates that the two groups were randomly selected. Therefore, the most appropriate test to employ would be a pooled-variance t test for the difference between two means.

TABLE 10-1 Are Japanese Managers More Motivated Than American Managers? a Randomly