by StaceyKoprince Wed May 14, 2008 10:42 pm
Standard deviation on our test is about 50 points - that means you are most likely to score within 50 points (up or down) on the official test.
FYI - the official test has a standard deviation of about 30 points. In other words, these types of tests aren't all that precise in general - it's not just our test!
Stacey Koprince
Instructor
Director, Content & Curriculum
ManhattanPrep