27% of the papers with the highest scores = lowest score = 10. When H=8, L=3, for item No. 10. What is the index of difficulty for item No. 10?
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Answer:
27% of the papers with the highest scores = lowest score = 10. When H=8, L=3, for item No. 10. What is the index of difficulty for item No. 10 0.625.
