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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 Days over 12 g/m3 8 Levels of Health Concerns # of days 2003 # of days 2018 Good 40 108 Moderate 66 8 Unhealthy For Sensitive Groups 4 0 Unhealthy 0 0 Very Unhealthy 0 0 Hazadous 0 0
| 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 | |||||
| Days over 12 g/m3 | 8 | |||||
| Levels of Health Concerns | # of days 2003 | # of days 2018 | ||||
| Good | 40 | 108 | ||||
| Moderate | 66 | 8 | ||||
| Unhealthy For Sensitive Groups | 4 | 0 | ||||
| Unhealthy | 0 | 0 | ||||
| Very Unhealthy | 0 | 0 | ||||
| Hazadous | 0 | 0 |
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International Business Competing In The Global Marketplace
Authors: Charles Hill
14th Edition
1260387542, 9781260387544
