Question: With standards getting stricter over time, it is possible that even if it the current standard is not contained in the confidence interval a future
- With standards getting stricter over time, it is possible that even if it the current standard is not contained in the confidence interval a future stricter standard might be. What concerns might you have if this were contained in your confidence interval? What can you interpret from this?
| 90% confidence interval results: | |||||
| Variable | Sample Mean | Std. Err. | DF | L. Limit | U. Limit |
| Daily Mean PM2.5 Concentration 2018 | 6.8146552 | 0.33924525 | 115 | 6.2521147 | 7.3771957 |
| 2018 PM.2 data confidence interval | (6.25,7.38) | ||||
| Method 1 | (6.25,7.38) | ||||
| Method 2 | 6.8150.565 |
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