An article gave data on various characteristics of subdivisionsthat could be used in deciding whether to provide electrical powerusing overhead lines or underground lines. Here are the values ofthe variable x = total length of streets within asubdivision:
| 1280 | 5320 | 4390 | 2100 | 1240 | 3060 | 4970 |
| 1050 | 360 | 3330 | 3380 | 340 | 1000 | 960 |
| 1320 | 530 | 3350 | 540 | 3870 | 1250 | 2400 |
| 960 | 1120 | 2120 | 450 | 2250 | 2320 | 2400 |
| 3150 | 5700 | 5220 | 500 | 1850 | 2460 | 5850 |
| 2900 | 2730 | 1670 | 100 | 5770 | 3150 | 1890 |
| 510 | 240 | 396 | 1419 | 2109 |
(a) Construct a stem-and-leaf display using the thousands digitas the stem and the hundreds digit as the leaf. (Enter numbers fromsmallest to largest separated by spaces. Enter NONE for stems withno values.)
What proportion of subdivisions have total length less than2000? Between 2000 and 4000? (Round your answers to three decimalplaces.)
| less than 2000Â Â Â Â | |
| between 2000 and 4000Â Â Â Â | |
