Question

the graph shows the relationship between daily caffeine consumption and resting heart rate for some adults. which phrases describe the relationship between heart rate and daily intake of caffeine? select two options. effects of caffeine resting heart rate (bpm) 180 160 140 120 100 80 60 40 20 1 2 3 4 5 6 7 8 9 10 total coffee intake (cups) negative correlation increasing heart rate constant correlation positive correlation decreasing heart rate

Explanation:

As the total coffee intake (daily caffeine intake) increases, the resting heart rate generally increases. In a positive - correlation, as one variable increases, the other variable also increases. And an increasing heart rate is observed with an increase in caffeine intake.

Answer:

B. increasing heart rate, D. positive correlation