Table 25. 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 - 2001 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 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 0 3 0.11 0.92
20-Month Average -4 -4 5 5 5 11 5 3 2 1.61 0.16
Farmer Benchmark: Text Box: *
USDA Average Price Received -3 12 9 20 9 18 4 10 3 3.36 0.02
--- 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 12 5 2.71 0.04
20-Month Average 20 6 16 18 37 7 23 18 4 4.46 0.00
Farmer Benchmark:
USDA Average Price Received 1 10 21 64 28 15 -10 18 9 2.04 0.09
---$ per acre (harvest equivalent)--- ---$ per acre (harvest equivalent)---
50/50 Revenue
Market Benchmarks:
24-Month Average 15 2 1 -6 2 4 1 Text Box: **
3
2 1.12 0.30
20-Month Average 2 -2 7 8 13 11 9 7 2 3.51 0.01
Farmer Benchmark: Text Box: *
USDA Average Price Received -1 11 11 30 14 18 1 12 4 2.94 0.03
                       
Notes: Two stars indicates significance at the one percent level and one star indicates significance at the five percent level.