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Jul 5th, 2015
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  1. Source | SS df MS Number of obs = 74
  2. -------------+------------------------------ F( 4, 69) = 10.93
  3. Model | 246385405 4 61596351.2 Prob > F = 0.0000
  4. Residual | 388679991 69 5633043.35 R-squared = 0.3880
  5. -------------+------------------------------ Adj R-squared = 0.3525
  6. Total | 635065396 73 8699525.97 Root MSE = 2373.4
  7.  
  8. ------------------------------------------------------------------------------
  9. price | Coef. Std. Err. t P>|t| [95% Conf. Interval]
  10. -------------+----------------------------------------------------------------
  11. mpg | -90.8697 82.54167 -1.10 0.275 -255.5358 73.79643
  12. weight | 5.330082 1.259779 4.23 0.000 2.816892 7.843272
  13. length | -112.6501 39.26864 -2.87 0.005 -190.9889 -34.31134
  14. gear_ratio | 1747.338 940.8806 1.86 0.068 -129.6674 3624.343
  15. _cons | 7909.196 6803.245 1.16 0.249 -5662.907 21481.3
  16. ------------------------------------------------------------------------------
  17.  
  18. Source | SS df MS Number of obs = 74
  19. -------------+------------------------------ F( 7, 66) = 7.05
  20. Model | 271664993 7 38809284.6 Prob > F = 0.0000
  21. Residual | 363400404 66 5506066.72 R-squared = 0.4278
  22. -------------+------------------------------ Adj R-squared = 0.3671
  23. Total | 635065396 73 8699525.97 Root MSE = 2346.5
  24.  
  25. ---------------------------------------------------------------------------------
  26. price | Coef. Std. Err. t P>|t| [95% Conf. Interval]
  27. ----------------+----------------------------------------------------------------
  28. mpg | -43.63664 88.87729 -0.49 0.625 -221.0859 133.8126
  29. weight | 5.627906 1.277128 4.41 0.000 3.078037 8.177775
  30. length | -108.6306 40.96925 -2.65 0.010 -190.4283 -26.83285
  31. gear_ratio | 1036.988 1011.416 1.03 0.309 -982.369 3056.344
  32. |
  33. country |
  34. Germany | 1474.478 786.7092 1.87 0.065 -96.23774 3045.193
  35. Japan | 1508.771 931.8605 1.62 0.110 -351.7485 3369.291
  36. France/Italy | 1513.169 1660.423 0.91 0.365 -1801.972 4828.311
  37. |
  38. _cons | 6825.621 6936.845 0.98 0.329 -7024.236 20675.48
  39. ---------------------------------------------------------------------------------
  40.  
  41. test Germany Japan FranceItaly
  42.  
  43. ( 1) Germany = 0
  44. ( 2) Japan = 0
  45. ( 3) FranceItaly = 0
  46.  
  47. F( 3, 66) = 1.53
  48. Prob > F = 0.2148
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