An aerospace engineer is testing the flight systems of a new cargo drone. They collect data on the battery temperature, TTT (in ∘C^\circ\text{C}∘C), and the drone's energy efficiency index, EEE (measured on a scale from 1 to 100), during ten different flights.
| Battery temperature, TTT (∘C^\circ\text{C}∘C) | Energy efficiency index, EEE |
|---|---|
| 22.5 | 92 |
| 28.0 | 85 |
| 35.5 | 74 |
| 41.0 | 68 |
| 48.5 | 55 |
| 52.0 | 52 |
| 60.5 | 39 |
| 65.0 | 33 |
| 72.5 | 22 |
| 78.0 | 14 |
What does the data in Table 1 suggest about the relationship between the battery temperature and the energy efficiency index? Explain your answer.
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