Table 4.  Correlation of Corn and Soybean Pricing Performance of Market Advisory Services Within Marketing Years, 1995 - 1999
                   
1995-1998
Correlation Measure 1995   1996   1997   1998   Average
Rank Correlation 0.54 *** 0.09 0.34 0.17 0.29 22 22 22
[0.01] [0.65] [0.13] [0.44] 0.213201 0.213201 0.213201
0.709365 1.115935 1.029831
Net Price Correlation 0.68 *** 0.15 0.53 ** 0.24 0.40
[0.00] [0.48] [0.03] [0.28]
Return Correlation 0.69 *** 0.18 0.50 ** 0.22 0.40
  [0.00]   [0.38]   [0.03]   [0.31]    
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, with the return for each service computed as the continuously-compounded rate of return (natural logarithm of the ratio of net advisory price to the benchmark price). Figures in brackets are two-tail p-values.