A regression analysis explores the relationship between students' study time (X) and students' grades (Y). The analysis establishes that for every one hour of studies, a student's test score is expected to increase by 3.5. The data reveal an average study time of 6 hours and an average test score of 68. What is the test score of a student with zero study time? Question 38 options: a) 47 b) 89 c) 40 d) 11 e) None of the above