This study is trying to determine which managers are more motivated.A sample of 311 managers was giving the Sarnoff Survey of Attitudes Toward Life (SSATL).The SSATL measures motivation for upward mobility.Higher values indicate higher levels of motivation.The results of the study are presented below.AmericanJapanese

Samplesize211100

Mean SSATLScore77.7579.83

Sample StandardDeviation11.078.41

Test to see if Japanese managers are more motivated than American managers.Use the .01 level of significance.

c. Determine your critical value. (5 points)

2.33

2.575

2.3263

2.5758