2001 ACGA Corn
Producers Survey
Wind Energy & Climate Change
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METHODOLOGY |
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Five
hundred and nine telephone interviews were started June 14th and
completed June 23rd. These interviews were completed during the
hours of 5:30PM and 10:30PM Central Standard Time and were conducted
over seven days using Random B sampling technique. Interviews were
conducted in the following 14 states: Colorado, Iowa, Illinois, Indiana,
Kansas, Kentucky, Michigan, Minnesota, Missouri, Nebraska, Ohio, South
Dakota, Texas, and Wisconsin. These 14 states represent 88% of
total U.S. planted corn acreage in 2001 based on the June 29, 2001 USDA-NASS
Acreage report. |
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RMA
obtained listed sample of corn producers in the 14 specified states
which was used for this study. It was comprised of individuals
that have a minimum of 100 acres of corn planted. Respondents at
the beginning of the study were asked how many acres of corn they have
planted, anyone below the 100 acre requirement was then terminated. |
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When
the study was completed, results were cross-tabulated and analyzed.
The sampling margin of error plus or minus 4.5 percentage points at a
95% confidence level for the overall study. The margin of error
will increase if each state is analyzed individually. Differences in the
total sample answers of more than eight percentage points should be
considered statistically significant. Differences in the total sample of
five to nine percentage points should be considered directional rather
than statistically significant. |
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