For questions 5-7, let Y be BMI, X be number of hours exercised per week. Suppose there is a significant linear relationship between BMI and the number of hours exercised per week as follows, Y=30 - 1.1*X. Which one of the following statement is true based on this relationship? Question 5 options: If one spends one additional hour exercising, one's BMI increase by 1.1 unit. If one spends one additional hour exercising, one's BMI decrease by 1.1 unit. If one's BMI decreases by 1 unit, one exercises 1.1 more hours per week. If one's BMI decreases by 1 unit, one exercises 1.1 fewer hours per week