Pig farmer study. An article in Sociological Methods & Research (May 2001) analyzed the data presented in the accompanying table. A sample of 262 Kansas pig farmerswas classified according to their education level (college ornot) and size of their pig farm (number of pigs). The dataare saved in the PIGFARM file. Conduct a test to determinewhether a pig farmer’s education level has an impacton the size of the pig farm. Use α = .05 and support youranswer with a graph.
Education Level | ||||
|
| No College | College | Totals |
| <1,000 pigs | 42 | 53 | 95 |
| 1,000-2,000 pigs | 27 | 42 | 69 |
Farm Size | 2,001-5,000 pigs | 22 | 20 | 42 |
| <5,000 pigs | 27 | 29 | 56 |
| Totals | 118 | 144 | 262 |
Based on Agresti, A., and Liu, I. “Strategies for modeling a categorical variable allowing multiple category choices.” Sociological Methods & Research, Vol. 29, No. 4, May 2001.
Results of Poll
Northeast | Southeast |
n1 = 1,000 | n2 = 1,000 |
x1 = 546 | x2 = 475 |
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