At St. Algebra College, the 200 freshmen enrolled in introductory biology took a final exam on which their mean score was 72 and the standard deviation was 6.
The following table presents the grades of 10 students.
Convert each into a Z score and determine the number of people who scored higher or lower than each of the 10 students.

Transcribed Image Text:

Number of Students Number of Students Below X ZScore Above 70 72 78