Answer to Question #121727 in Statistics and Probability for jessica

Question

Based on an observational study, a clinical psychologist finds that the relationship between the number of weeks spent in a therapy hospital and number of seizures per week is described by the following equation:  

seizures = 14.09-0.91 weeks

Which of the following is the best interpretation of the slope estimate?

A. For each additional seizure per week, we would expect the average number of additional weeks spent in the therapy hospital to be higher by 0.91 seizures.

B. Each additional week spent in a therapy hospital decreases the number of seizures per week by 0.91.

C. For each additional week spent in the therapy hospital, we would expect the average number of seizures per week to lower by 0.91 seizures.

D. All patients start their treatment with at least 14.09 seizures per week.

Answer 1

C. For each additional week spent in the therapy hospital, we would expect the average number of seizures per week to lower by 0.91 seizures.