Miss McMillan wanted to pick a movie for her students to watch on Friday Fun Day, so she put a list of potential movies next to the classroom door. Of all her students, 13 decided to vote. Is this sample representative?

Omar tasted 13 desserts from each bakery in his county. Each bakery has an equal number of desserts. Is this sample of the desserts from the county's bakeries likely to be biased?

Layla polled the last 87 athletes to finish a bike race. Is this sample of the athletes in the bike race likely to be biased?

Aiden polled 691 drivers late on a Friday night. Is this a random sample of the drivers in the city?

While designing a new dessert menu, the manager of a restaurant offered customers a coupon in exchange for completing a brief survey about their favorite desserts. 15 of the customers accepted the offer. Is this a random sample?

Janice surveyed the 87 top-ranking students in the high school. Is this sample of the students in the school likely to be biased?

Kendrick surveyed the first 35 students in the lunch line. Is this a random sample of the students in the school?

The librarian interviewed the 477 patrons who spent the most time at the library last year. Is this a random sample of the library patrons?

Colin threw a handful of identically shaped buttons into the air, then collected the 12 buttons that landed on the carpet. Is this a random sample of the buttons?

Hector questioned 12 violinists in the national orchestra. Is this sample of violinists in general likely to be representative?

Camille experimented with 2 exercises from each class offered at her gym. Each class has an equal number of exercises. Is this sample of the exercises at the gym likely to be representative?

Braden asked 5 of his friends what they thought about a new movie. Is this sample of the students in the school likely to be biased?

Shelley threw some printed pages into the air and grabbed 2 as they fell. Is this sample of the printed pages likely to be representative?