庞皓计量经济学第二章练习题及参考解答(第四版).pdf

练习题

2.1表2.9中是中国历年国内旅游总花费（Y）、国内生产总值（XI）、铁路里程（X2）、

路里程数据（X3）的数据。

表2.7中国历年国内旅游总花费、国内生产总值、铁路里程、路里程数据

年份国内旅游总花费（亿元）国内生产总值（亿元）铁路里程（万里）路里程（万里）

19941023.548637.55.9111.78

19951375.761339.96.24115.7

19961638.471813.66.49118.58

19972112.7797156.6122.64

19982391.285195.56.64127.85

19992831.990564.46.74135.17

20003175.5100280.16.87167.98

20013522.4110863.17.01169.8

20023878.4121717.47.19176.52

20033442.31374227.3180.98

20044710.7161840.27.44187.07

20055285.9187318.97.54334.52

20066229.7219438.57.71345.7

20077770.6270232.37.8358.37

20088749.3319515.57.97373.02

200910183.7349081.48.55386.08

201012579.8413030.39.12400.82

201119305.4489300.69.32410.64

201222706.2540367.49.76423.75

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