In a laboratory experiment, data were gathered on the life span (Y in months) of

Question

In a laboratory experiment, data were gathered on the life span (Y in months) of 33 rats, units of daily protein intake (X_1), and whether or not agent X_2 (a proposed life extending agent) was added to the rats diet (X_2 = 0 if agent X_2 was not added, and X_2 = 1 if agent was added.) From the results of the experiment, the following regression model was developed. Y = 36 + 0 8X_1 - 1.7X_2 Also provided are SSR = 60 and SST = 180. Refer to Exhibit 16-4. The model. is significant is not significant Not enough information is provided to answer this question. None of these alternatives is correct.

Explanation / Answer

the model is significant

option a

because 1.7 months less than those who did not take agent X2

Related Questions

Navigate

• Browse (All)
• Browse I
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.