santiago
Forum Newbie
Topics: 4
Posts: 15
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please, can someone explain me how does the scores work??...........especially what does it mean number/number...ex: 230/99.......i will apreciate if you gys solve this for me
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| retroviridae
Forum Guru
Topics: 29
Posts: 871
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first, the honest answer is that none of us know. There is a school of thought that says the 3 digit score roughly correlates to your raw score, while the 2 digit score (not a precentile, by the way) is the normalized version. This isn't exactly true since even the three digit score has been normalized to be the same between exams. So, if the avg score on a test is 220, which is roughly an 85 two digit score, you have to answer 63% correct (assuming 350 questions per test). Others believe this to be totally nonsense, and the three digit score is some other normalized statistically generated number. In general a 99 is 1.5 SD above the mean, and a Fail is 1.5 SD below the mean.
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