SOLUTION: It is possible to calculate an actual test grade if only the percentile rank is provided at the top of a test. True False

Question 847360: It is possible to calculate an actual test grade if only the percentile rank is provided at the top of a test.
True
False
Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
No it is not.

The percentile formula involves where the score is ranked (i) in an ordered list of scores, and the number (n) of scores. P = (100(i-.5))/n.

Given P, the percentile, and i you could find n. Given P and n you could find i. But you couldn't find the actual test score without the ordered list of test scores.

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