The table below shows the resting heart rates (in beats per minute) of nine individuals measured in the morning and again in the evening. Construct a scatterplot. Based on the graph, does there appear to be a relationship between heart rates measured in the morning and those recorded in the evening?

• A. Yes, there is a strong positive correlation between morning and evening heart rates.
• B. No, there is no apparent relationship between morning and evening heart rates.
• C. The data points are scattered randomly, indicating no correlation between morning and evening heart rates.
• D. It cannot be decided without hypothesis testing.

Answer: (A)