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Japanese managers more motivated than American managers? A randomly selected gro

ID: 3171779 • Letter: J

Question

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.

                                                                American                Japanese

Sample Size                                              211                         100

Sample Mean SSATL Score                    65.75                        79.83

Sample Std. Dev.                                    11.07                          6.41

Referring to Scenario 10-1, give the null and alternative hypotheses to determine if the mean SSATL score of Japanese managers differs from the mean SSATL score of American managers.

A) H0 : XA - XJ= 0 versus H1: XA - XJJ 0

B)H0: µA - µJL 0 versus H1: µA - µJ< 0

C) H0: µA - µJK 0 versus H1: µA - µJ> 0

D) H0: µA - µJ= 0 versus H1: µA - µJ J 0

Explanation / Answer

as we are checking only for differnce but not higher or lower

hence option D is correct

D) H0: µA - µJ= 0 versus H1: µA - µJ J 0

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