Oh also just incase you wanted more detail on how scoring works here is some info from a DSST data sheet:
Quote:
As each DSST was developed, it was administered to a representative sample of students who have completed a college
course in the subject. The scale ranges from 20 to 80 with the average score of students in the representative sample set equal
to 50 and the standard deviation of scores set equal to 10.
Raw scores were converted to scaled scores with a mean of 50.0 and a standard deviation of 10.0 using the formula S = AX +
B, where S = the scaled score, and X = the raw score. Scaled scores are related to raw scores via the above linear
transformation equation, using the A (the slope of the line) and B (The y-axis intercept) as conversion parameters which are test-form-specific.
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So if a perticular test has 100 questions and the mean raw score is 58 and the standard diviation of a raw score was 16 then:
raw score 58 = scaled score 50
raw score 74 = scaled score 60
raw score 90 = scaled score 70
That is crude and approximate but it gives you and idea of how it works. Hope that helps clear some stuff up.