the graph shows the relationship between daily caffeine consumption and resting heart rate for some adults…
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 negative correlation increasing heart rate constant correlation positive correlation decreasing heart rate
Answer
Explanation:
Step1: Observe the scatter - plot trend
As the total coffee intake (cups) increases, the resting heart rate generally increases.
Step2: Recall correlation concepts
A positive correlation means that as one variable increases, the other variable also increases. An increasing heart rate as caffeine intake increases is also observed.
Answer:
increasing heart rate, positive correlation