difficulty distribution of test paper
difficulty distribution of test paper
试卷难度分布
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The results showed that the scores was Gassion distribution, the average score was 82.26, and the difficulty and discrimination of the test paper were appropriate.
结果表明此次试卷设计较合理，平均分数82.26，分数近似正态分布，试题难度和区分度属中等。
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