统计学教材作业参考答案市公开课金奖市赛课一等奖课件.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,x,(x-x),2,2,4,7,10,10,10,12,12,14,15,57.76,31.36,6.76,0.16,0.16,0.16,5.76,5.76,19.36,29.16,96,156.4,第1页,第1页,x,(x-x),2,5.5,6.6,6.7,6.8,7.1,7.3,7.4,7.8,7.8,2.25,0.16,0.09,0.04,0.01,0.09,0.16,0.64,0.64,63,4.08,第2页,第2页,第3页,第3页,4.7(1),两位调查人员得到样本平均身高差不多相同,（,2,）两位调查人员得到样本原则差差不多相同,（,3,）抽取,1000,人那一位调查人员得到最高者和最矮者机会要大一些,第4页,第4页,第5页,第5页,x,成人,(x-x),2,166,169,172,177,180,170,172,174,168,173,37.21,9.61,0.01,24.01,62.41,4.41,0.01,3.61,16.81,0.81,1721,158.9,x,幼儿,(x-x),2,68,69,68,70,71,73,72,73,74,75,10.89,5.29,10.89,1.69,0.09,2.89,0.49,2.89,7.29,13.69,713,5.61,4.11,第6页,第6页,第7页,第7页,第8页,第8页,第9页,第9页,第10页,第10页,第11页,第11页,第12页,第12页,第13页,第13页,x,f,xf,(x-x),2,f,97,99,101,103,105,2,3,34,7,4,194,297,3434,721,420,37.32,16.15,3.48,19.76,54.17,累计,50,5066,130.88,第14页,第14页,第15页,第15页,第16页,第16页,第17页,第17页,第18页,第18页,第19页,第19页,第20页,第20页,第21页,第21页,第22页,第22页,第23页,第23页,第24页,第24页,第25页,第25页,第26页,第26页,第27页,第27页,f,o,f,e,25,69,36,40,51,26,47,74,19,46,57,37,38.98,61.92,29.11,35.08,55.72,26.20,41.97,66.68,31.35,41.97,66.68,31.35,195.44,50.13,47.47,24.21,4.72,0.04,25.30,53.58,152.53,16.24,93.70,31.92,5.01,0.81,1.63,0.69,0.08,0.002,0.60,0.80,4.87,0.39,1.41,1.02,第28页,第28页,第29页,第29页,第30页,第30页,f,o,f,e,6,12,38,21,13,16,40,22,14,8,11,9,17,8,6,13,15.16,13.34,28.8,19.70,17.91,15.76,34.04,23.29,8.27,7.28,15.71,10.75,8.66,7.62,16.46,11.26,83.86,1.79,84.64,1.68,24.14,0.06,35.58,1.66,32.86,0.52,22.17,3.06,69.53,0.14,109.34,3.03,5.53,0.13,2.94,0.09,1.35,0.004,1.05,0.07,3.97,0.07,1.41,0.28,8.03,0.02,6.64,0.27,第31页,第31页,第32页,第32页,f,o,f,e,31,13,16,8,16,7,12,10,17,10,5,7,24.1,17.38,18.57,12.44,8.98,9.59,15.68,11.31,12.08,8.85,6.38,6.82,1.98,1.10,0.36,1.58,5.49,0.70,0.83,0.15,2.00,0.15,0.30,0.01,第33页,第33页,第34页,第34页,差别源,SS,df,MS,F,P-value,F crit,组间,组内,总计,420,3836,4256,2,27,29,210,142.07,-,1.478,-,-,0.245946,-,-,3.354131,-,-,10.7,第35页,第35页,第36页,第36页,11.9,变差起源,df,SS,MS,F,Singnificance F,回归,残差,总计,1,10,11,1602708.6,40158.07,1642866.67,1602708.6,4015.807,-,399.10,-,-,2.17E-09,-,-,方差分析表,参数预计表,Coefficients,原则误差,t-Stat,P-value,Intercept,X Variable,363.6891,1.41,62.45529,0.071091,5.823191,19.97749,0.000168,2.17E-09,第37页,第37页,汽车销售量变动中，有,97.56%,是由于广告费变动引起,r=0.9877,，阐明汽车销售量与广告费是高度正线性相关,B,1,=1.42,，阐明汽车广告费每增长,1,个单位，销售量平均增长,1.42,个单位,第38页,第38页,第39页,第39页,第40页,第40页,第41页,第41页,时间,产量,Y,（万吨）,t tY t,2,20,1,20,1,24,2,48,4,30,3,90,9,36,4,144,16,40,5,200,25,累计,150,15,502,55,13.1,第42页,第42页,第43页,第43页,14.2,第44页,第44页,由于三种商品销售量平均增长了,10.77%,，使销售额增长,10.77%,，销售额增长金额为,2800,元；又由于三种商品价格平均上涨了,9.29%,，使销售额增长,9.29%,，销售额增长金额为,2675,元。,销售量和价格共同影响，使销售额共增长,21.06%,，增长金额为,5475,元。,第45页,第45页,14.3,第46页,第46页,14.4,14.5,第47页,第47页,14.6,销售量要增长,8.83%,，才干使本期销售收入,达到目的。,14.7,职员人数,=,工资总额,=167076-9576=157500,职员平均工资,=,第48页,第48页,14.8,第49页,第49页,由于三种产品产量平均增长了,10.32%,，使产品成本增长,10.32%,，成本增长金额为,10850,元；又由于三种产品单位成本平均上升了,12.28%,，使成本增长,12.28%,，成本增长金额为,14250,元。,产量和单位成本共同影响，使成本共增长,23.87%,，增长金额为,25100,元。,第50页,第50页,14.9,第51页,第51页,由于三个车间劳动生产率平均增长了,2.59%,，使该公司劳动生产率增长,2.59%,，劳动生产率增长金额为,0.156,万元,/,人；又由于三个车间职员人数变动，使该公司劳动生产率下降了,4.68%,，劳动生产率减少金额为,0.296,万元,/,人。,三个车间劳动生产率和职员人数变动共同影响，使该公司劳动生产率下降了,2.22%,，下降金额为,0.14,万元,/,人。,第52页,第52页,14.10,（,1,）计算代表规格品价格指数,（,3,）计算中类价格指数,（,2,）计算小类价格指数,第53页,第53页,