A clinical study examined the effectiveness of a new antihistamine, Compound X, in reducing allergy symptoms. Participants were divided into four groups, each receiving a different dosage of the drug. The average percentage reduction in symptoms after 4 hours was recorded. ### Table 1: Symptom Reduction by Dosage
| Dosage (mg/kg) | Average Symptom Reduction (%) |
|---|---|
| 10 | 25% |
| 20 | 48% |
| 40 | 74% |
| 80 | 92% |