Posted: November 26th, 2016
Please, determine, if there is statistical evidence of a reduction in blood lead level in the newborns after treatment with a chelating agent for 2 weeks?
- In order to avoid the consequences of high blood lead levels on the nervous system and the neurological development of children, a researcher conducts a clinical trial, where he gives the newborns a chelating agent for 2 weeks after birth, with the purpose of decreasing the concentration of lead in their blood.
The following results were observed:
| Newborn # | Blood lead level at birth (µg/dL) | Blood lead level after 2 weeks of treatment with a chelating agent (µg/dL) |
| 1 | 5.8 | 5.6 |
| 2 | 7.8 | 8.3 |
| 3 | 7.8 | 5.4 |
| 4 | 10.2 | 6.2 |
| 5 | 11.4 | 9.7 |
| 6 | 14.8 | 12.3 |
| 7 | 11.3 | 10.6 |
| 8 | 2.3 | 3.4 |
| 9 | 4.7 | 4.8 |
| 10 | 5.6 | 4.4 |
| 11 | 8.5 | 7.8 |
| 12 | 6.4 | 3.4 |
| 13 | 12.5 | 6.9 |
| 14 | 13.5 | 5.8 |
| 15 | 2.8 | 2.5 |
| 16 | 11.2 | 12.4 |
| 17 | 5.7 | 5.1 |
| 18 | 15.6 | 10.3 |
| 19 | 10.5 | 11.2 |
| 20 | 12.8 | 7.2 |
| 21 | 7.4 | 2.4 |
| 22 | 14.8 | 5,8 |
| 23 | 12.8 | 9.2 |
| 24 | 7.9 | 4.1 |
| 25 | 3.5 | 2.4 |
| 26 | 10.8 | 5.6 |
Please, determine, if there is statistical evidence of a reduction in blood lead level in the newborns after treatment with a chelating agent for 2 weeks?
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