Table 4.  Correlation of Corn and Soybean Pricing Performance of Advisory Service Programs Within Marketing Years, 1995 - 1997
               
1995-1997
Correlation Measure 1995   1996   1997   Average
Rank Correlation 0.51 *** 0.04 0.34 0.30
[0.010] [0.846] [0.130]
Net Price Correlation 0.68 *** 0.11 0.53 ** 0.44
[0.000] [0.610] [0.014]
Return Correlation 0.69 *** 0.13 0.50 ** 0.44
  [0.001]   [0.538]   [0.020]    
Note:  Three stars indicates significance at the 1% level, two stars indicates significance at the 5% level, and one star indicates significance at the 10% level.  Return correlations are based on the 24-month average cash price benchmark. Figures in brackets are two-tail p-values.