Posted by **Patty** on Sunday, January 31, 2010 at 3:45pm.

Students were given an exam with 300 multiple-choice 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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