Posted by Patty on Sunday, January 31, 2010 at 3:45pm.
Students were given an exam with 300 multiplechoice questions. The distribution of the scores was normal and mean was 195 with a standard deviation of 30.
What was the score of students who scored in the middle of the class? (50% did better, 50% did worse).

math  bobpursley, Sunday, January 31, 2010 at 3:55pm
What does mean mean?
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