Problem A: Adolescent Pregnancy
You are working temporarily for the Department of Health and Environmental Control. The director is concerned about the issue of teenage pregnancy in their region.
You have decided that your team will analyze the situation and determine if it is really a problem in this region. You gather the following 2000 data.
| County | Age
10-14 Pregnant |
Age 15-17
Pregnant |
Age 18- 19
Pregnant |
10-14 births | 15-17
births |
18-19
births |
10-14
births-unmarried |
15-17 birth-
unmarried |
18-19
births-unmarried |
| 1 | 29 | 350 | 571 | 17 | 281 | 437 | 16 | 164 | 193 |
| 2 | 24 | 303 | 567 | 13 | 206 | 466 | 13 | 151 | 233 |
| 3 | 40 | 422 | 691 | 29 | 307 | 546 | 28 | 251 | 366 |
| 4 | 21 | 201 | 356 | 18 | 184 | 326 | 15 | 137 | 180 |
| 5 | 16 | 156 | 357 | 11 | 109 | 254 | 10 | 99 | 161 |
| 6 | 44 | 523 | 970 | 33 | 442 | 803 | 32 | 293 | 396 |
| 7 | 17 | 263 | 434 | 9 | 201 | 345 | 7 | 113 | 168 |
| 8 | 23 | 330 | 427 | 16 | 256 | 444 | 14 | 160 | 210 |
| 9 | 13 | 123 | 221 | 10 | 113 | 199 | 9 | 78 | 106 |
| 10 | 41 | 467 | 950 | 24 | 446 | 686 | 22 | 279 | 331 |
| 11 | 28 | 421 | 713 | 18 | 343 | 615 | 15 | 219 | 328 |
| 12 | 9 | 179 | 311 | 8 | 145 | 261 | 7 | 114 | 162 |
1998
Age Pregnancies Births
10-14 320 231
15-17 4041 3222
18-19 6387 5164
1999
Age Pregnancies Births
10-14 309 208
15-17 3882 3048
18-19 6714 5391
Build a mathematical model and use it to determine if there is a problem or not. Prepare an article for the newspaper that highlights your result in a novel mathematical relationship or comparison that will capture the attention of the youth.
以上就是关于【2001 11月HiMCM数模竞赛A题】的解答,如需了解学校/赛事/课程动态,可至翰林教育官网获取更多信息。
往期文章阅读推荐:
【组队招募】经济/数模竞赛CNEC/IEO/SIC/HiMCM…组队报名!
2026 HiMCM数模竞赛开赛时间定了!多支高配战队等你上车!

© 2026. All Rights Reserved. 沪ICP备2023009024号-1