The mean on a test in a class of 20 students is 63, with a standard deviation of 8. If student A scores 84, how many standard units is he/ she from the mean?

Carlos Rodriguez <carlos@math.albany.edu>
This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998