Choose any two quantitative variables and use Statkey to make a scatterplot.
Copy and paste your scatterplot here and answer the following questions:
Is there an obvious positive or negative linear trend? Are there any outliers? Use technology to find the correlation coefficient and the least squares line (equation of the regression line) Interpret the slope of the regression equation in context. USStates HouseholdIncome Region Population EighthGradeMath HighSchool College IQ GSP Vegetables Fruit Smokers PhysicalActivity Obese NonWhite HeavyDrinkers Electoral ObamaVote ObamaRomney TwoParents StudentSpending Insured State Alabama 43.253 S 4.84 269.2 84.9 24.9 95.7 32.615 74.2 54.1 21.5 15.4 32.4 30.7 4.3 9 0.384 F 58.7 8.755 78.8 Alaska 70.76 W 0.73 281.6 92.8 24.7 99 61.156 80.8 60.3 22.6 65.3 28.4 33.1 8.2 0.408 R 69.6 18.175 79.8 6.3 11 0.446 R 32.7 7.208 74.7 Arizona 9.774 W 6.731 279.7 85.6 25.5 97.4 35.195 76.2 60.5 16.3 51.9 26.8 20.8 62 9.394 71.7 Arkansas 40.768 S 2.966 277.9 87.1 22.4 97.5 31.837 72 49.5 25.9 41.2 34.6 21.7 5 6 0.369 R 2.7 69.6 12.5 56.3 24.1 37.7 6.4 56 0.602 |0 65.3 9.22 79.7 California 61.094 W 38.803 275.9 31.4 95.5 46.029 15.8 6.7 9 0.515 0 69.9 8.647 80 Colorado 58.433 W 5.356 289.7 89 5 37 101.6 46.242 80.9 64.3 17.7 60.4 21.3 25 22.1 6.3 7 0.581 0 67 16.631 87.7 Connecticut 69.461 NE 3.597 285.2 91 39.8 103.1 54.925 77.8 66.3 15.5 50.9 Delaware 59.878 NE 0.936 282.3 36.9 31.7 100.4 61.183 71.1 59.6 19.6 49.7 30 6.6 0.586 60.4 13.833 85.7 79.2 62 16.8 50.2 26.4 23.7 7.2 29 0.5 0 60.2 8.433 70.9 Florida 46.956 S 19.893 280.9 37.1 26.5 98.4 34.802 29 98 37.702 76.3 56.8 18.8 50.8 30.3 39.4 4.7 16 0.455 F 60.3 9.099 72.7 Georgia 49.179 S 10.097 279.2 85.3 29.7 95.6 44.442 76.9 60.8 13.3 60.2 21.8 75 7.6 4 0.705 0 70.4 11.823 90 Hawaii 67.402 W 1.42 281.4 94.8 46.767 W 4 0.326 74.1 6.791 75.9 Idaho 1.634 286.4 89.9 23.6 101.4 31.945 79.6 61.6 17.2 53.9 29.6 8.1 6.2 76 63.3 18 52.4 29.4 27.5 6.5 20 0.576 0 66.2 12.288 80.6 Illinois 56.797 MW 12.881 284.9 89.8 38.2 99.9 46.151 87.6 27.5 101.7 39.065 73.1 56.4 21.9 44.1 31.8 15.4 5.2 11 0.439 R 65.4 9.566 79.1 Indiana 8.248 MW 6.597 287.8 lowa 51.843 MW 3.107 285. 92.4 32.2 103.2 42.222 73.2 60.7 19.5 47 31.3 8.5 6.5 0.52 0 69.6 10.313 87.3 70 9.828 79.2 Kansas 51.332 MW 2.904 289.5 89.6 33.1 102.8 41.07 77.1 58.3 20 49.1 30 14.6 4.6 0.38 0.378 F 64.3 9.316 78 Kentucky 43.036 MW 4.413 280.6 88.5 25.7 99.4 33.519 75.1 53.8 26.5 46 33.2 12.1 4.9 44.874 S 4.65 272.8 85 25 95.3 43.145 67.3 52.5 23.5 45.2 33.1 37.1 6.3 0.406 F 54.1 10.49 74 Louisiana 12.3 86 20.2 53.6 28.9 4 .8 7.2 0.563 66.1 12.147 84.7 Maine 18.453 NE 1.33 288.7 94 29.9 103.4 34.597 39.4 99.7 46.72 78 64 16.4 18.6 28.3 41.6 5.2 12 63.7 13.829 84.5 Maryland 3.538 NE 5.976 286.6 9.5 92.8 Massachusetts 6.866 NE 6.745 300.6 92.4 48.3 104.3 53.221 79.9 67.2 16.6 54.5 23.6 19.5 7.5 11 1.607 67.6 14.515 75.2 62.3 21.4 53.1 31.5 20.7 6.3 16 2 0 64.1 10.948 82.6 Michigan 48.411 MW 9.91 280.1 90 29.2 100.5 35.298 Minnesota 59 836 MW 5.457 294.6 32.8 38 103.7 47.028 76.4 61.8 18 52.7 25.5 14.4 7.3 10 0.527 71.2 11.089 87.1 69.4 50.1 24.8 37.4 35.1 10.5 4.2 0.438 R 52.3 8.13 71.9 Mississippi 39.031 S 2.994 271.2 34.2 21.1 94.2 28.944 65.5 9.597 81.2 Missouri 47.38 MW 6.064 283 90 31.2 101 36.815 15.7 56.9 22.1 48.7 30.4 17 6 0.444 F 46.23 W 1.024 289.2 92.5 31.1 103.4 33.204 79.5 61.4 19 57.8 24.6 10.6 7.7 0.417 R 67 10.625 78.5 Montana 1.882 285.1 90.1 33.3 102.3 44.943 76.7 60.3 18.5 50.1 29 .6 11.8 6 .8 0.38 R 70.5 11.579 82.4 Nebraska 1.672 MW Nevada 52.8 W 2.839 278.3 83.9 21.5 96.5 41.029 79.2 64.4 19.4 53.6 26.2 28.6 7.1 1.524 62.7 8.339 72.7 36.5 104.2 42.958 33.2 66.2 16.2 55.4 26.7 6.5 0.52 69.6 13.721 84.4 New Hampshire 64.916 NE 1.327 295.7 93 9.584 69.2 7.572 80.7 New Jersey 71.629 NE 8.938 296.1 0.7 41.5 102.8 49.43 78.6 64.7 15.7 50.5 26.3 30.8 5 New Mexico 44.927 W 2.086 272.8 84 21.4 95.7 33.9 78.5 60.8 19.1 55 26.4 27 5.9 56.6 9.012 73.8 64.2 9.818 83 New York 58.003 NE 19.746 281.8 38.4 41.9 100.7 53.067 78 65.5 16.6 47.3 25.4 34.4 6 0.633 North Carolina 46.334 S 9.944 285.6 85.8 30.2 100.2 40.289 77.6 57.7 20.3 48.6 29.4 30.3 4.9 0.484 61.9 8.39 75.8 53.741 MW 0.739 290.5 95.4 33.9 103.8 55.25 72.6 59.7 21.2 15.3 31 10.4 7.2 0.387 72.5 11.98 87.6 North Dakota 30.3 101.8 37.69 73.7 58.3 23.4 49.5 30.4 17.1 5.7 18 0.507 63.4 1.19 83.3 Ohio 48.308 MW 11.594 289. 90.3 74.7 49.6 23.7 43.9 32.5 26.5 4.2 0.332 64.4 7.672 77.4 Oklahoma 45.339 S 3.878 275.5 87.3 24.6 99.3 36.252 14.8 8 .6 0.542 0 69 9.543 75 Oregon 50.229 W 3.97 283.5 18.7 30.1 101.2 48.069 83.7 66.6 17.3 64.1 26.5 65.1 13.864 84.8 Pennsylvania 52 548 NE 12.787 289.6 91.4 35.7 101.5 40.063 75.3 62.5 21 47.8 30 17.8 5.9 20 0.52 0 27.3 18.6 6.1 0.627 0 59.1 14.415 81.3 Rhode Island 56.361 NE 1.055 284.1 9.3 35.7 99.5 41.678 78.7 64.7 17.4 49.1 South Carolina 44.779 S 4.832 279.8 36.3 27.3 98.4 31.881 73.2 54.8 22 49.1 31.7 32.8 5.7 0.441 R 58.3 9.514 76.1 South Dakota 49.495 MW 0.853 287.3 92.2 29.1 102.8 43.181 75.5 60.7 19.6 53.7 29.9 14.4 5.2 0.399 67.5 8.47 85.1 Tennessee 44.298 S 6.549 277.7 38.6 27.5 97.7 37.254 75.7 55.2 24.3 37.7 33.7 21.8 3.3 0.391 62.1 8.208 78.8 64.4 8.299 67.3 Texas 51.9 S 26.957 288.2 83.8 26.9 100 46.498 78.5 57.3 15.9 12.1 30.9 25.6 5.9 38 0.414 Utah 58.821 W 2.943 284.3 91.2 29.9 101.1 39.158 79.6 63.5 10.3 65.3 24.1 11.6 4.5 0.247 F 80 .6 6.555 80.8 54.267 NE 0 . 627 37.2 103.8 38.198 83.5 67.2 16.6 58.8 24.7 4.8 7.1 0.666 67.1 16.377 88.5 Vermont 295.5 93.4 Virginia 63.907 S 8.326 288.1 90.8 38.9 101.9 47.127 78.6 62.6 19 51.9 27.2 30.5 5.7 0.512 0 67.9 10.96 81.6 69.7 9.672 79.4 Washington 59.478 W 7.062 290 89.5 31.9 101.9 47.146 81.8 63.5 16.1 56.3 27.2 21.5 6.6 0.562 0.355 62.8 1.132 76.3 West Virginia 41 043 S 1.85 274.4 90.2 23.2 98.7 30.389 75.8 54 27.3 47.6 35.1 3.9 52.413 MW 5.758 288.7 91.7 31.2 102.9 39.308 74.2 62.2 18.7 53.4 29.8 7 .8 10 0.528 68.6 1.071 85.8 92.7 25.7 102.4 54.305 79.9 59.1 20.6 54.2 27.8 9.1 5 .8 3 0.278 R 71.3 15.7 76.4 Wyoming 57.406 W 0.584 288.1
