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.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.

	American	Japanese
Sample Size	211	100
Sample Mean SSATL Score	65.75	79.83
Sample Std. Dev.	11.07	6.41

What is the value of the test statistic?

What is the P value?

Which test would be most appropriate?

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:A-J 0 versusH1:A-J< 0 B)H0:A-J 0 versusH1:A-J> 0 C)H0:A-J= 0 versusH1:A-J 0 D)H0:XbarA- XbarJ= 0 versusH1: XbarA- XbarJ 0