In a study analyzing the effects of treatment type (A, B, C) and dosage (low, medium, high) on patient recovery time, the ANOVA table reports p-values of $0.07$ for treatment type, $0.001$ for dosage, and $0.62$ for the interaction. What is the correct interpretation?

• A. Both treatment type and dosage have significant effects
• B. Only treatment type has a significant effect
• C. The interaction between treatment type and dosage is significant
• D. Only dosage has a significant effect on recovery time

Answer: (D)