Suppose there is a significant difference in the percentage of participants who contracted the flu between the two age groups. Would the company be well-justified in claiming that the difference in percentage was caused by the participant's age? Choose the best answer below. Yes. Because the procedure used data gathered over an extended period of time, the data set will be large. So, a cause-and-effect relationship is well-justified. No. There is no procedure, however well-designed, that can give evidence to support a claim of a cause-and-effect relationship. No. The company has only found evidence to support a claim that a participant's age is associated with contracting the flu