项目

建筑工程费

安装工程费

设备购置费

其他费用

A1

30.627

10.510

272.475

36.587

A2

28.483

10.974

287.585

39.895

A3

27.166

10.868

224.404

32.016

A4

41.381

19.054

183.685

55.533

A5

50.173

23.859

467.138

52.103

A6

25.417

13.859

263.531

25.783

A7

55.555

24.126

494.795

43.994

A8

19.978

9.139

222.570

22.373

A9

31.937

20.638

510.403

46.656

A10

25.437

14.603

230.175

55.598

标准差

11.025

5.417

118.342

11.262

极差

35.576

14.987

326.719

33.225

波动率

0.344

0.365

0.400

0.286