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Mark, Jean, and Sam all took the SAT's. There Scores were : 600, 625, 700. They had an average of 642 and an SD of 42.5. Convert these numbers into Standard Units. 642.5, 667.5, 742.5 1, .4, 1.4 1.5, .4, 1 1, 1, 1 -1, .4, 1.4

You may use the calculator above and this area as scratch paper. To see the solution just click on the button.

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