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Table 25.
Predictability of Market Advisory Program Ranks Between Adjacent Pairs
of Crop Years, Corn, Soybeans and 50/50 Revenue, 1995-2000 Crop Years |
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Year |
Year |
|
Rank Correlation |
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t |
t+1 |
|
Corn |
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Soybeans |
|
50/50 Revenue |
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|
1995 |
1996 |
Correlation Coefficient |
0.28 |
|
0.36 |
|
0.36 |
|
|
Z-statistic |
1.30 |
|
1.70 |
|
1.68 |
|
|
Two-tail p-value |
0.19 |
|
0.09 |
|
0.09 |
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|
1996 |
1997 |
Correlation Coefficient |
0.01 |
|
0.10 |
|
0.00 |
|
|
Z-statistic |
0.06 |
|
0.48 |
|
-0.01 |
|
|
Two-tail p-value |
0.96 |
|
0.63 |
|
0.99 |
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1997 |
1998 |
Correlation Coefficient |
0.53 |
|
0.18 |
|
0.16 |
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|
Z-statistic |
2.56 |
|
0.85 |
|
0.73 |
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Two-tail p-value |
0.01 |
|
0.40 |
|
0.46 |
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1998 |
1999 |
Correlation Coefficient |
0.42 |
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Z-statistic |
1.95 |
|
2.99 |
|
2.42 |
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Two-tail p-value |
0.05 |
|
0.00 |
|
0.02 |
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1999 |
2000 |
Correlation Coefficient |
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|
0.39 |
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Z-statistic |
2.52 |
|
1.90 |
|
3.54 |
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Two-tail p-value |
0.01 |
|
0.06 |
|
0.00 |
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1995-2000 |
Correlation Coefficient |
0.35 |
|
0.34 |
|
0.35 |
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Average |
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Note:
Two stars indicates significance at the one percent level and one star
indicates significance at the five percent level. |
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