Table 6.  Number of Advisory Service Programs above Alternative Market Benchmark Prices, Soybeans, 1995 -1997
           
Number Proportion  
Number of of Programs of Programs
Market Benchmark/ Advisory above above Two-tail
Sample Period Programs Benchmark Benchmark Z-statistic p-value  
24-Month Average
1995 25 21 0.84 3.40 0.001 ***
1996 24 20 0.83 3.27 0.001 ***
1997 21 13 0.62 1.09 0.275
1995-1997 70 54 0.77 4.54 0.000 ***
20-Month Average
1995 25 18 0.72 2.20 0.028 **
1996 24 14 0.58 0.82 0.414
1997 21 14 0.67 1.53 0.127
1995-1997 70 46 0.66 2.63 0.009 ***
12-Month Average
1995 25 4 0.16 -3.40 0.001 ***
1996 24 15 0.63 1.22 0.221
1997 21 21 1.00 4.58 0.000 ***
1995-1997 70 40 0.57 1.20 0.232  
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.