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铜仁二中2历史_试题分析题号答案满分平均分难度正确率区分度标准差k1A210.550%0.361k2C20.3210.16116.071%0.030.73k3D21.3210.66166.071%0.530.95k4D20.7140.35735.714%0.10.96k5D20.5710.28628.571%-0.220.9k6B21.1790.58958.929%0.440.98k7B21.0360.51851.786%0.191k8B20.750.37537.5%0.390.97k9D21.2860.64364.286%0.140.96k10B20.8930.44644.643%0.530.99k11D20.50.2525%0.060.87k12A20.8930.44644.643%0.50.99k13C20.7860.39339.286%0.320.98k14D21.3570.67967.857%0.50.93k15D20.3210.16116.071%0.180.73题目满分均分难度标准差区分度通过率z16175.570.334.820.6132.77%z16(1)71.730.251.680.4824.74%z16(2)103.840.383.430.738.39%z17186.480.364.030.4536.01%z17(1)102.820.282.060.3528.21%z17(2)83.660.462.30.5845.76%z18104.750.482.470.4947.5%z18(1)730.431.580.3842.86%z18(2)31.750.581.240.7658.33%最高分最低分均分难度标准差区分度58029.730.413.350.44闪光点薄弱点k2k15等级比例等级比例优秀0%良好5.36%及格10.71%低分48.21%分数段人数分数段人数=750[30-40)15[70-75)0[20-30)15[60-70)0[10-20)10[50-60)6[0-10)2
