An insurance company conducted a study to determine the percentage of cardiologists who had been sued for malpractice in the previous three years. The sample was randomly chosen from a national directory of doctors. What is the variable of interest in this study?
A) the responses: have been sued/have not been sued for malpractice in the last three years
B) the number of doctors who are cardiologists
C) the doctor's area of expertise (i.e., cardiology, pediatrics, etc.)
D) all cardiologists in the directory
A
Business
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Indicate whether the statement is true or false
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