* Corn Output Per Acre;

data corn;



     n      p        q        ln         lp         lq

    ----------------------------------------------------

    40.    40.    32.06     3.6889     3.6889     3.4675

    40.   120.    45.01     3.6889     4.7875     3.8069

    40.   200.    42.80     3.6889     5.2983     3.7564

    40.   320.    59.85     3.6889     5.7683     4.0918

    80.    40.    36.40     4.3820     3.6889     3.5946

    80.    80.    33.61     4.3820     4.3820     3.5149

    80.   160.    62.06     4.3820     5.0752     4.1281

    80.   280.    85.92     4.3820     5.6348     4.4534

   120.   120.    54.77     4.7875     4.7875     4.0031

   120.   200.    66.00     4.7875     5.2983     4.1896

   120.   320.    94.28     4.7875     5.7683     4.5463

   160.    40.    38.20     5.0752     3.6889     3.6430

   160.    80.    61.82     5.0752     4.3820     4.1242

   160.   160.    87.56     5.0752     5.0752     4.4723

   160.   240.    77.97     5.0752     5.4806     4.3563

   200.   120.    81.16     5.2983     4.7875     4.3965

   200.   200.    80.92     5.2983     5.2983     4.3934

   200.   320.   115.43     5.2983     5.7683     4.7487

   240.    40.    39.35     5.4806     3.6889     3.6726

   240.   160.    89.94     5.4806     5.0752     4.4991

   240.   240.    90.26     5.4806     5.4806     4.5027

   240.   280.   100.10     5.4806     5.6348     4.6062

   280.    80.    67.97     5.6348     4.3820     4.2190

   280.   120.    59.77     5.6348     4.7875     4.0904

   280.   240.   115.02     5.6348     5.4806     4.7451

   280.   320.   112.48     5.6348     5.7683     4.7228

   320.    40.    54.19     5.7683     3.6889     3.9925

   320.   120.   118.14     5.7683     4.7875     4.7719

   320.   200.   134.45     5.7683     5.2983     4.9012

   320.   320.   125.27     5.7683     5.7683     4.8305