Determine whether the sampling method described below appears to be sound or is flawed In a survey of 616 subjects the following question was posted on a newspaper s website In your view are nucle plants safe The survey subjects were Internet users who chose to respond to the question posted on the electr edition of the newspaper Choose the correct answer below OA It is flawed because it is a voluntary response sample B It is flawed because it is not statistically significant C It is flawed because it is a census D It appears to be sound because the data are not biased in any way