=+proximate analysis variable x4 5 % moisture by weight for waste specimens obtained from a certain region.

Obs Plastics Paper Garbage Water Energy Content 1 18.69 15.65 45.01 58.21 947 2 19.43 23.51 39.69 46.31 1407 3 19.24 24.23 43.16 46.63 1452 4 22.64 22.20 35.76 45.85 1553 5 16.54 23.56 41.20 55.14 989 6 21.44 23.65 35.56 54.24 1162 7 19.53 24.45 40.18 47.20 1466 8 23.97 19.39 44.11 43.82 1656 9 21.45 23.84 35.41 51.01 1254 10 20.34 26.50 34.21 49.06 1336 11 17.03 23.46 32.45 53.23 1097 12 21.03 26.99 38.19 51.78 1266 13 20.49 19.87 41.35 46.69 1401 14 20.45 23.03 43.59 53.57 1223 15 18.81 22.62 42.20 52.98 1216 16 18.28 21.87 41.50 47.44 1334 17 21.41 20.47 41.20 54.68 1155 Obs Plastics Paper Garbage Water Energy Content 18 25.11 22.59 37.02 48.74 1453 19 21.04 26.27 38.66 53.22 1278 20 17.99 28.22 44.18 53.37 1153 21 18.73 29.39 34.77 51.06 1225 22 18.49 26.58 37.55 50.66 1237 23 22.08 24.88 37.07 50.72 1327 24 14.28 26.27 35.80 48.24 1229 25 17.74 23.61 37.36 49.92 1205 26 20.54 26.58 35.40 53.58 1221 27 18.25 13.77 51.32 51.38 1138 28 19.09 25.62 39.54 50.13 1295 29 21.25 20.63 40.72 48.67 1391 30 21.62 22.71 36.22 48.19 1372