OpenStudy (anonymous):

Gregorio took two tests. Find his z-score for each test. (Remember: The number of standard deviations between a score and the mean score is indicated by a z-score.) On which did he score better compared with others in his class? Test A Test B Gregorio’s score 62 70 Mean score 80 90 Standard deviation 6 10 a. Test A: 3; Test B: 2; Test A c. Test A: –2; Test B: –3; Test A b. Test A: –3; Test B: –2; Test B d. Test A: –3; Test B: –2; Test A

2 years ago
OpenStudy (anonymous):

2 years ago
OpenStudy (anonymous):

im willing to do the work... i really need help

2 years ago
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