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. negative correlation increasing heart rate constant correlation positive correlation decreasing heart rate

Explanation:

Step1: Observe the graph trend

As the total coffee intake (cups) increases, the resting heart - rate (bpm) generally increases.

Step2: Recall correlation concepts

A positive correlation means that as one variable increases, the other variable also increases.

Answer:

B. increasing heart rate, D. positive correlation