计量经济学实验报告 英文版.doc

Econometrics report Class number: No number: Eglish name: Chinese name: Contents Background and Data Analysis 2-5 and model T-test 6-8 F-test 8-10 Summary,and,suggestion 11 BACKGROUND The report below is about the food sales , I instance the resident population (10 000 ) , per capita income the first year , meat sales , egg sales , the fish sales . In order to build mathematical models to understand the relationship of each variable and its food sales , and I take statistics of Tianjin from 1994 to 2007 the demand for food Y X1 X2 X3 X4 X5 1 98.4500 153.2000 560.2000 6.5300 1.2300 1.8900 2 100.7000 190.0000 603.1100 9.1200 1.3000 2.0300 3 102.8000 240.3000 668.0500 8.1000 1.8000 2.7100 4 133.9500 301.1200 715.4700 10.1000 2.0900 3.0000 5 140.1300 361.0000 724.2700 10.9300 2.3900 3.2900 6 143.1100 420.0000 736.1300 11.8500 3.9000 5.2400 7 146.1500 491.7760 748.9100 12.2800 5.1300 6.8300 8 144.6000 501.0000 760.3200 13.5000 5.4700 8.3600 9 146.9400 529.2000 774.9200 15.2900 6.0900 10.0700 10 158.5500 552.7200 785.3000 18.1000 7.9700 12.5700 11 169.6800 771.7600 795.5000 19.6100 10.1800 15.1200 12 162.1400 811.8000 804.8000 17.2200 11.7900 18.2500 13 170.0900 988.4300 814.9400 18.6000 11.5400 20.5900 14 178.6900 1094.6500 828.7300 23.5300 11.6800 23.3700 Among represent Y food sales ( tons / year) X1 the resident population (10 000 ) X2 per capita income the first year X3 meat sales X4 egg sales X5 the fish sales Based on the above data , the conclusions as follows They are β value, stand error R2 freedom SST SSR -43.6364556 20.118961 0.077743 -0.16534 2.231226292 2.472067 1.2