Question
Twenty seabirds, five selected randomly from each of four rookeries, were tested for DDT concentrations. The measured concentrations [ppb] are: Site 1 Site 2 Site
- Twenty seabirds, five selected randomly from each of four rookeries, were tested for DDT concentrations. The measured concentrations [ppb] are:
| Site 1 | Site 2 | Site 3 | Site 4 |
| 114 | 98 | 115 | 90 |
| 108 | 100 | 97 | 83 |
| 112 | 95 | 100 | 95 |
| 117 | 102 | 89 | 100 |
| 104 | 105 | 98 | 85 |
Does the DDT concentration differ among the different populations ? What assumptions must you make in arriving at the your conclusion ?
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Introduction to Probability
Authors: Mark Daniel Ward, Ellen Gundlach
1st edition
716771098, 978-1319060893, 1319060897, 978-0716771098
