16 18 20 Exercise/week (hrs)
Dr. Jones concluded that in order to achieve a lower resting pulse, students should increase the amount of exercise they do
Students that exercised had the lowest resting pulse.
Students that exercised 20 hours a week had the lowest resting pulse.
Students that exercised less than 16 hours a week had the lowest resting pulse.
Students that exercised between 16 and 20 hours a week had the lowest resting pulse.