Obs county pop prcapinc asvalue lgovrev landarea 1 Adair 15797 711 9790 795 393 2 Allen 11661 912 11057 804 364 3 Anderson7997 1486 15043 624 205 4 Ballard 9519 856 12702 689 259 5 Barren 28069 1030 27891 1887 486 6 Bath 9541 810 13923 464 287 7 Bell 35678 903 25607 2383 370 8 Boone 21081 854 31197 1084 249 9 Bourbon 17148 1557 40486 2291 300 10 Boyd 51063 2316 65667 4750 160 11 Boyle 22349 1472 28817 1661 183 12 Bracken 7290 1205 11084 496 204 13 Breathit 17949 626 8134 1050 494 14 Breckinr 14404 866 11864 782 564 15 Bullitt 17498 848 20931 693 300 16 Butler 9262 538 6059 564 443 17 Caldwell 11746 1283 13991 958 357 18 Calloway 18921 1115 16254 1755 384 19 Campbell 87575 1761 101231 7957 149 20 Carlisle 5956 1054 6670 337 195 21 Carroll 8303 1349 11110 725 130 22 Carter 19699 888 16641 1405 402 23 Casey 15869 597 10435 1075 435 24 Christia 60544 864 37011 3667 725 25 Clark 21197 1384 34520 1346 259 26 Clay 24244 528 7952 1095 474 27 Clinton 9267 645 3700 457 190 28 Crittend 8022 915 7731 668 365 29 Cumberla 9437 732 4101 387 310 30 Daviess 66503 1988 109150 9693 462 31 Edmonson 9311 492 4377 380 304 32 Elliott 6067 581 2598 408 240 33 Estill 13385 691 9636 679 260 34 Fayette 113819 2099 187078 11269 280 35 Fleming 10187 1214 13083 633 350 36 Floyd 43676 961 35697 2645 399 37 Franklin 27272 2040 61539 4115 211 38 Fulton 11283 1261 12013 922 203 39 Gallatin 4077 1826 5824 252 100 40 Garrard 9470 1206 16884 676 236 41 Grant 9392 908 14203 742 249 42 Graves 29900 1254 27608 2421 560 43 Grayson 16692 746 10027 883 512 44 Green 9873 1048 11821 627 282 45 Greenup 30336 536 33852 1961 351 46 Hancock 4580 907 6847 354 187 47 Hardin 54248 719 37439 3725 616 48 Harlan 52619 1599 36185 3468 469 49 Harrison 12304 1701 24371 1083 308 50 Hart 12424 1080 14113 760 425 51 Henderso 34398 1312 46598 4302 433 52 Henry 9993 1203 13971 806 289 53 Hickman 6778 904 8478 471 246 54 Hopkins 38602 1469 41358 3257 553 55 Jackson 12535 497 3786 589 337 56 Jefferso 587389 2047 1025184 82533 375 57 Jessamin 11057 1083 20121 1104 177 58 Johnson 22514 767 15539 1459 264 59 Kenton 116939 1908 134964 9996 165 60 Knott 19033 364 12933 900 356 61 Knox 28746 441 13210 1509 373 62 Larue 10348 1070 12328 697 260 63 Laurel 26459 497 17220 1490 446 64 Lawrence 13478 915 11581 766 425 65 Lee 7554 852 6028 582 210 66 Leslie 18647 529 6267 738 412 67 Letcher 29091 1054 19599 1859 339 68 Lewis 12647 657 13194 725 486 69 Lincoln 16478 734 20539 1107 340 70 Livingst 7253 732 5584 379 312 71 Logan 19925 971 18852 1625 563 72 Lyon 6204 706 5013 328 253 73 McCracke 60406 1688 66642 6834 250 74 McCreary 12837 570 7332 751 418 75 McLean 9483 768 11566 640 257 76 Madison 34401 1138 34313 2573 446 77 Magoffin 10311 621 9647 619 303 78 Marion 16640 962 23188 1038 343 79 Marshall 16918 1576 15291 1320 303 80 Martin 12303 1314 8210 579 231 81 Mason 18373 1886 28308 1284 238 82 Meade 10828 1222 12854 612 305 83 Menifee 3880 625 3649 266 210 84 Mercer 13709 1153 25297 1150 256 85 Metcalfe 8831 775 5803 402 296 86 Monroe 12136 683 6204 971 334 87 Montgome 12839 1219 20877 859 204 88 Morgan 9193 1071 5041 611 369 89 Muhlenbu 26268 1100 25293 1948 481 90 Nelson 16486 1563 53398 1962 437 91 Nicholas 7169 1073 10128 680 204 92 Ohio 15270 907 17079 1612 596 93 Oldham 13112 875 16716 763 184 94 Owen 7976 1284 9750 567 351 95 Owsley 6411 457 2050 302 197 96 Pendleto 9849 1028 12359 751 279 97 Perry 36646 1110 21249 2297 343 98 Pike 71168 962 57564 3946 786 99 Powell 7084 534 6815 416 173 100 Pulaski 35608 783 25939 2853 654 101 Robertso 2097 1387 2846 155 101 102 Rockcast 13249 546 9157 879 311 103 Rowan 9488 1121 13289 832 290 104 Russell 11427 597 5914 666 238 105 Scott 13108 1400 29882 1451 284 106 Shelby 17507 1478 29941 1287 383 107 Simpson 10116 1361 14198 1059 239 108 Spencer 5826 1472 6321 317 193 109 Taylor 18234 1064 14616 1097 284 110 Todd 11116 871 12399 908 376 111 Trigg 8317 864 6906 619 459 112 Trimble 5001 707 5274 311 146 113 Union 13437 1554 23328 1137 340 114 Warren 41760 1471 49806 4574 546 115 Washingt 11189 1115 12272 635 307 116 Wayne 16107 634 7900 859 440 117 Webster 12943 913 16444 1337 339 118 Whitley 28811 729 15140 2271 459 119 Wolfe 7355 454 1918 328 227 120 Woodford 10025 1892 39853 952 193 

Use PROC MODEL to run the WLS regression again and to carry out White's test, but without the population density variable, and report your results. Given these results, can the density variable be dropped?