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Y             X1          X2            Y est                  e               SCR
  Ingresos       Población   Superficie...
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Ejercicio de regresión con dos variables. Solución

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Ejercicio de regresión con dos variables. Solución

  1. 1. Y X1 X2 Y est e SCR Ingresos Población Superficie 198 70 21 231.380 -33.380 7756.21 209 35 26 200.233 8.767 197 55 14 179.223 17.777 156 25 10 117.356 38.644 85 28 12 130.334 -45.334 187 43 20 186.735 0.265 43 15 5 81.170 -38.170 211 33 28 205.729 5.271 120 23 9 110.119 9.881 62 4 6 68.955 -6.955 176 45 10 147.281 28.719 117 20 8 101.385 15.615 273 56 36 274.101 -1.101 Matriz X Matriz Xt 1 70 21 1 1 1 1 1 1 1 1 1 1 1 1 1 1 35 26 70 35 55 25 28 43 15 33 23 4 45 20 56 1 55 14 21 26 14 10 12 20 5 28 9 6 10 8 36 1 25 10 1 28 12 1 43 20 Matriz XtX Matriz (XtX)-1 Matriz XtY Matriz B 1 15 5 1 33 28 13 452 205 0.401466 -0.006302 -0.006686 2034 37.5 1 23 9 452 19828 8452 -0.006302 0.000395 -0.000471 82495 1.5 1 4 6 205 8452 4343 -0.006686 -0.000471 0.001462 38769 4.24 1 45 10 1 20 8 1 56 36

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