Table 35. Significance Tests of the Difference Between the Average Price for Market Advisory Programs and the Average Benchmark Price, Corn, Soybeans and 50/50 Advisory Revenue, 1995 - 2003 Crop Years, Commercial Storage Costs
                           
Commodity/ Difference Between Average Advisory Program and Benchmark Average Standard Two-tail
Benchmark 1995 1996 1997 1998 1999 2000 2001 2002 2003 Difference Error t-statistic p-value
--- per bushel (harvest equivalent)--- --- per bushel (harvest equivalent)---
Corn
Market Benchmarks:
24-Month Average 14 -2 -1 -8 -3 4 -2 4 1 1 2 0.41 0.69
20-Month Average -4 -4 5 5 5 11 5 6 2 3 2 2.15 0.06
Farmer Benchmark: Text Box: **
USDA Average Price Received -3 12 9 20 9 18 4 4 3 8 2 3.46 0.01
--- per bushel (harvest equivalent)--- --- per bushel (harvest equivalent)---
Soybeans
Market Benchmarks:
Text Box: **
Text Box: *
24-Month Average 33 19 9 -4 18 2 11 26 27 16 4 3.78 0.01
20-Month Average 20 6 16 18 37 6 23 14 -13 14 5 3.06 0.02
Farmer Benchmark:
USDA Average Price Received 1 10 21 64 28 15 -10 -17 -105 1 15 0.04 0.97
---$ per acre (harvest equivalent)--- ---$ per acre (harvest equivalent)---
50/50 Revenue
Market Benchmarks:
24-Month Average 15 2 1 -6 2 4 1 11 6 Text Box: **
4
2 1.93 0.09
20-Month Average 2 -2 7 8 13 11 9 9 -1 6 2 3.60 0.01
Farmer Benchmark:
USDA Average Price Received -1 11 11 30 14 18 1 -1 -17 7 5 1.59 0.15
                           
Notes: Two stars indicates significance at the one percent level and one star indicates significance at the five percent level.