A store manager wants to know the percentage of shoppers who use coupons he surveys everyone who enters the meat aisle. He finds that 60% of shoppers use coupons does the sampling method. The store manager used support a valid inference with the answer because the sample contains coupon, users, and non-users or yes, because the manager asked everyone who entered the meat aisle or no, because not all people who entered the meat. I’ll use coupons or no because the sample is not chosen randomly.
1 answer
No, because not all people who entered the meat aisle were surveyed.