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1、大梧楚才高中高二考试高二理科07化学_试题分析题号答案满分平均分难度正确率区分度标准差k1D32.7750.92592.5%0.340.79k2C32.9250.97597.5%0.040.47k3B31.80.660%0.041.47k4C31.650.5555%0.371.49k5C331100%00k6B32.7750.92592.5%0.570.79k7C32.550.8585%0.091.07k8C32.6250.87587.5%0.490.99k9D32.250.7575%0.261.3k10A31.4250.47547.5%0.091.5k11B32.850.9595%0.070
2、.65k12A30.9750.32532.5%0.421.41k13C31.2750.42542.5%0.371.48k14A32.850.9595%0.360.65k15B32.250.7575%0.051.3k16C32.0250.67567.5%0.321.41题目满分均分难度标准差区分度通过率z17105.850.592.950.4658.5%z18105.150.522.320.3651.5%z19126.150.512.160.1251.25%z20105.780.581.990.1657.75%z21104.380.441.440.1943.75%最高分最低分均分难度标准差区分度
3、853763.30.639.390.23闪光点k1k2k5k6k7k8k11k14薄弱点等级比例等级比例优秀2.5%良好20%及格65%低分35%分数段人数(%)分数段人数(%)80-902.530-402.570-8017.520-30060-704510-20050-6027.50-10040-505选项数A(1|2.5%)B(1|2.5%)C(1|2.5%)D(37|92.5%)B(1|2.5%)C(39|97.5%)B(24|60%)C(3|7.5%)D(13|32.5%)B(9|22.5%)C(22|55%)D(9|22.5%)C(40|100%)A(1|2.5%)B(37|92.5
4、%)C(1|2.5%)D(1|2.5%)B(1|2.5%)C(34|85%)D(5|12.5%)A(3|7.5%)C(35|87.5%)D(2|5%)B(9|22.5%)C(1|2.5%)D(30|75%)A(19|47.5%)B(5|12.5%)C(15|37.5%)D(1|2.5%)A(1|2.5%)B(38|95%)C(1|2.5%)A(13|32.5%)B(13|32.5%)C(4|10%)D(9|22.5%)空白(1|2.5%)A(2|5%)B(10|25%)C(17|42.5%)D(10|25%)空白(1|2.5%)A(38|95%)B(1|2.5%)D(1|2.5%)A(1|2.
5、5%)B(30|75%)D(9|22.5%)A(2|5%)C(27|67.5%)D(11|27.5%)段人数10(6|15%)10-8(12|30%)8-6(5|12.5%)6-0(17|42.5%)10(3|7.5%)10-8(4|10%)8-6(14|35%)6-0(19|47.5%)12(0|0%)12-9.6(5|12.5%)9.6-7.2(9|22.5%)7.2-0(26|65%)10(2|5%)10-8(8|20%)8-6(10|25%)6-0(20|50%)10(0|0%)10-8(0|0%)8-6(12|30%)6-0(28|70%)大梧楚才高中高二考试高二理科07化学_试题分析