how to calculate the ADA sample test score?

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kies89

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The - sign indicates that for that scaled score there is no raw score that works.

For example if the scaled score of 24 is a raw score of 38/40 in Bio and 28 is a raw of 39/40, there is no score out of 40 that will get you a score of 25,26 or 27 in Bio. So in that table they'd have a - sign instead of a raw score out of forty.
 
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