This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'A scatter diagram was plotted as shown below to study the relationship between two variables. This is an example of: \nSelect and explain. \nA. High positive correlation, B. High negative correlation, C. Low positive correlation, D. Low negative correlation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]