| 1 | A | B | C | D | E | F | G |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | sample statistics, 2002 to 2010 |  |  |  |  |  |  |
| 3 |  | resell |  |  |  | discard age |  |
| 4 |  | ratio |  | age |  |  |  |
| 5 |  | mean | standard error | mean | standard error | mean | standard error |
| 6 | all buildings | 0.393 | 0.293 | 15.4 | 10.1 | 13.8 | 9.3 |
| 7 | plants for manufacturing | 0.334 | 0.281 | 19.4 | 13.4 | 21.0 | 10.6 |
| 8 | warehouses, refrigerated storage, freight terminals | 0.293 | 0.297 | 18.8 | 9.9 | 17.3 | 10.7 |
| 9 | maintenance garages, workshops, equipment storage facilities | 0.426 | 0.240 | 17.5 | 8.4 | 20.5 | 10.5 |
| 10 | office buildings | 0.476 | 0.288 | 15.7 | 9.7 | 11.3 | 7.4 |
| 11 | shopping centres, plazas, malls, stores | 0.435 | 0.288 | 8.0 | 6.3 | 9.3 | 4.9 |
| 12 | other industrial and commercial | 0.358 | 0.279 | 13.9 | 7.7 | 13.3 | 9.2 |
| 13 | telephone and cablevision lines, underground and marine cables | 0.132 | 0.054 | 11.1 | 1.9 | 16.8 | 0.6 |
| 14 | communication towers, antennae, earth stations | 0.508 | 0.435 | 12.5 | 2.9 | 23.6 | 6.7 |
| 15 | all machinery and equipment | 0.320 | 0.293 | 8.0 | 4.7 | 8.5 | 4.9 |
| 16 | office furniture, furnishing | 0.314 | 0.287 | 6.6 | 3.6 | 8.4 | 3.3 |
| 17 | computers, associated hardware and word processors | 0.249 | 0.270 | 4.3 | 1.7 | 4.8 | 1.6 |
| 18 | non-office furniture, furnishings and fixtures | 0.519 | 0.354 | 6.9 | 3.4 | 8.1 | 3.4 |
| 19 | scientific, professional and medical devices | 0.373 | 0.330 | 9.0 | 5.6 | 11.4 | 5.3 |
| 20 | heating, electrical, plumbing, air conditioning and refrigeration equipment | 0.655 | 0.303 | 9.1 | 4.0 | 11.0 | 4.0 |
| 21 | pollution abatement and control equipment | 0.293 | 0.282 | 11.3 | 4.3 | 11.5 | 6.0 |
| 22 | motors, generators, transformers, turbines, compressors and pumps of all types | 0.466 | 0.320 | 9.3 | 5.8 | 14.0 | 7.6 |
| 23 | heavy construction equipment | 0.365 | 0.304 | 6.9 | 4.0 | 10.7 | 5.9 |
| 24 | tractors and other field equipment | 0.288 | 0.250 | 8.8 | 4.4 | 13.3 | 3.8 |
| 25 | capitalized tooling and other tools | 0.294 | 0.284 | 7.1 | 3.9 | 8.5 | 4.2 |
| 26 | drilling and blasting equipment | 0.561 | 0.254 | 6.9 | 4.3 | .. | .. |
| 27 | automobiles and major replacement parts | 0.314 | 0.260 | 5.5 | 2.5 | 6.4 | 2.9 |
| 28 | buses (all types) and major replacement parts | 0.122 | 0.221 | 14.8 | 6.9 | 22.2 | 8.0 |
| 29 | trucks, vans, truck tractors, truck trailers and major replacement parts | 0.295 | 0.264 | 7.7 | 3.5 | 8.8 | 3.6 |
| 30 | other transportation equipment | 0.314 | 0.260 | 9.4 | 4.3 | 11.2 | 4.6 |
| 31 | computer-assisted processing machinery and equipment | 0.322 | 0.301 | 10.3 | 5.7 | 12.0 | 5.8 |
| 32 | non-computer-assisted processing machinery and equipment | 0.292 | 0.283 | 9.5 | 5.2 | 12.0 | 6.1 |
| 33 | communication and related equipment | 0.283 | 0.291 | 7.3 | 3.0 | 7.5 | 3.4 |
| 34 | safety and security equipment and other machinery and equipment | 0.386 | 0.350 | 8.8 | 5.0 | 10.6 | 4.7 |

Question: from 2002 to 2010, what was the mean reselling price ratio for buildings?
Answer: 0.393

Question: from 2002 to 2010, what was the mean reselling price ratio for machinery and equipment?
Answer: 0.32