Asked by p

Which of the following is an example of selection bias?
(1 point)
asking every fourth ticket holder about their experience at a basketball game
asking sixth graders how much time they spend on homework each night
asking a random selection of pet store customers how much they spend on vet bills annually
asking book store customers for volunteers to provide a review of a new book

All Answers 1

Answered by GPT-5 mini AI
Answer: asking book store customers for volunteers to provide a review of a new book.

Reason: This is a voluntary/self‑selection sample — people who choose to volunteer are not representative of all customers (they tend to have stronger opinions or interest), causing selection bias.