Data reveal the following relationship between life expectancy (years) and gender, the number of days per week a person exercises, and the interaction of gender and exercise:
LifeExpectancy = 75 - 5male + 2ExerciseDays + 3*MaleExerciseDays
Each additional day of exercise per week is associated with life expectancy
A. Increasing by 2 years for women and increasing 3 years for men.
B. Increasing by 2 years for women and increasing 5 years for men.
C. Increasing by 3 years for women and decreasing 5 years for men.
D. Increasing by 3 years for women and increasing 3 years for men.
Answer: B. Increasing by 2 years for women and increasing 5 years for men.