At St. Algebra College, the 200 freshmen enrolled in introductory biology took a final exam on which their mean score was 72 and their standard deviation was 6. The following table presents the grades of 10 students. Convert each into a


Number of Students Above  Number of students Below 
60  
57  
55  
67  
70  
72  
78  
82  
90  
95 
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