A Popular Soft Drink Company Periodically Sets Up Survey Booths

question 14

Multiple Choice

A popular soft drink company periodically sets up survey booths in various malls and grocery stores that are chosen at random.The employees working the booths ask interested individuals to fill out a very short survey on the quality of the company's drinks.While filling out the surveys,the individuals are told that a properly completed survey will be rewarded with giveaways,such as free samples,T-shirts,generous coupons,and possibly an appearance in a new television commercial.What,if any,will be the most noticeable bias?

• A)Voluntary response bias
• B)Undercoverage of the population
• C)Response bias
• D)Nonresponse bias
• E)There does not seem to be any bias.