Please answer question

The following equation uses the time spent studying in the Stats lab in hrs (x) and Final Grade (y): y = 38.35 + 1.44x. What is the interpretation of the slope (B1)? O For every hour increase (or decrease) to the time spent in the lab per week, the average final grade increases (or decreases) by 1.44 points. O For every hour increase (or decrease) to the time spent in the lab per week, the average final grade increases (or decreases) by 39.79 points. O For every hour increase to the time spent in the lab per week, the average final grade decreases by 1.44 points. O For every hour increase (or decrease) to the time spent in the lab per week, the average final grade increases (or decreases) by 38.35 points. People who spent zero hours in the lab on average earn a final grade of 38.35