b) The dentist also surveyed his patients about how frequently they floss their teeth. All patients in the last 6 months were asked, "How many times per week do you floss?" by the dentist during their regular dental exam. Explain why this survey is almost certain to be biased and whether you think the reported average number of times flossing per week from this survey would be TOO HIGH or TOO LOW compared to the true average value of times flossing per week.
