Dati Auto Auto xlsx 1 2 3 4

Dati Auto (Auto. xlsx) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 mpg 18. 0 15. 0 18. 0 16. 0 17. 0 15. 0 14. 0 22. 0 18. 0 21. 0 27. 0 26. 0 25. 0 24. 0 25. 0 26. 0 21. 0 10. 0 11. 0 cylinders displacement horsepower 8 307. 0 130 8 350. 0 165 8 318. 0 150 8 304. 0 150 8 302. 0 140 8 429. 0 198 8 454. 0 220 8 440. 0 215 8 455. 0 225 8 390. 0 190 8 383. 0 170 8 340. 0 160 8 400. 0 150 8 455. 0 225 4 113. 0 95 6 198. 0 95 6 199. 0 97 6 200. 0 85 4 97. 0 88 4 97. 0 46 4 110. 0 87 4 107. 0 90 4 104. 0 95 4 121. 0 113 6 199. 0 90 8 360. 0 215 8 307. 0 200 8 318. 0 210 weight 3504 3693 3436 3433 3449 4341 4354 4312 4425 3850 3563 3609 3761 3086 2372 2833 2774 2587 2130 1835 2672 2430 2375 2234 2648 4615 4376 4382 acceleration 12. 0 11. 5 11. 0 12. 0 10. 5 10. 0 9. 0 8. 5 10. 0 8. 0 9. 5 10. 0 15. 5 16. 0 14. 5 20. 5 17. 5 14. 5 17. 5 12. 5 15. 0 14. 0 15. 0 13. 5 year 70 70 70 70 70 70 70 origin 1 1 1 1 3 1 1 1 3 2 2 2 1 1 name chevrolet chevelle malibu buick skylark 320 plymouth satellite amc rebel sst ford torino ford galaxie 500 chevrolet impala plymouth fury pontiac catalina amc ambassador dpl dodge challenger se plymouth 'cuda 340 chevrolet monte carlo buick estate wagon (sw) toyota corona mark plymouth duster amc hornet ford maverick datsun pl 510 volkswagen 1131 deluxe sedan peugeot 504 audi 100 ls saab 99 e bmw 2002 amc gremlin ford f 250 chevy c 20 dodge d 200

Dati Auto (Auto. txt) mpg cylinders displacement horsepower weight acceleration year origin name 372 29. 0 4 135. 0 84 2525 16. 0 82 1 dodge aries se 373 27. 0 4 151. 0 90 2735 18. 0 82 1 pontiac phoenix 374 24. 0 4 140. 0 92 2865 16. 4 82 1 ford fairmont futura 375 36. 0 4 105. 0 74 1980 15. 3 82 2 volkswagen rabbit 376 37. 0 4 91. 0 68 2025 18. 2 82 3 mazda glc custom l 377 31. 0 4 91. 0 68 1970 17. 6 82 3 mazda glc custom 378 38. 0 4 105. 0 63 2125 14. 7 82 1 plymouth horizon miser 379 36. 0 4 98. 0 70 2125 17. 3 82 1 mercury lynx l 380 36. 0 4 120. 0 88 2160 14. 5 82 3 nissan stanza xe 381 36. 0 4 107. 0 75 2205 14. 5 82 3 honda accord 382 34. 0 4 108. 0 70 2245 16. 9 82 3 toyota corolla 383 38. 0 4 91. 0 67 1965 15. 0 82 3 honda 384 32. 0 4 91. 0 67 1965 15. 7 82 3 honda civic (auto) 385 38. 0 4 91. 0 67 1995 16. 2 82 3 datsun 310 gx 386 25. 0 6 181. 0 110 2945 16. 4 82 1 buick 387 38. 0 6 262. 0 85 3015 17. 0 82 1 oldsmobile cutlass ciera 388 26. 0 4 156. 0 92 2585 14. 5 82 1 chrysler lebaron medallion 389 22. 0 6 232. 0 112 2835 14. 7 82 1 ford granada l 390 32. 0 4 144. 0 96 2665 13. 9 82 3 toyota celica gt 391 36. 0 4 135. 0 84 2370 13. 0 82 1 dodge charger 2. 2 392 27. 0 4 151. 0 90 2950 17. 3 82 1 chevrolet camaro 393 27. 0 4 140. 0 86 2790 15. 6 82 1 ford mustang gl 394 44. 0 4 97. 0 52 2130 24. 6 82 2 vw pickup 395 32. 0 4 135. 0 84 2295 11. 6 82 1 dodge rampage 396 28. 0 4 120. 0 79 2625 18. 6 82 1 ford ranger 397 31. 0 4 119. 0 82 2720 19. 4 82 1 chevy s-10

Diagrammi di Dispersione per coppie di variabili (dati Auto. txt) NO NO NO NO NO

Diagramma di Dispersione: mpg vs horsepower

Diagramma di Dispersione: mpg vs horsepower e Retta di Regressione: mpg = 39. 94 - 0. 16 * horsepower ( R 2 = 0. 61 )

Diagramma di Dispersione: mpg vs (weight , displacement)

Diagramma di Dispersione: mpg vs (weight , displacement) e Piano di Regressione: mpg = 43. 78 – 0. 006 * weight – 0. 016 * displacement ( R 2 = 0. 70 )

Diagramma di Dispersione: mpg vs (weight , displacement) e Piano di Regressione: mpg = 43. 78 – 0. 006 * weight – 0. 016 * displacement ( R 2 = 0. 70 )