Question

Which data collections show bias? Check all that apply.

D An English teacher polls the top-ten most avid readers to find their favorite books.
O An
insurance company polls drivers of sports cars to find their average number of tickets.
O A restaurant manager surveys every tenth customer for one week.
O An assistant principal surveys each student who is sent for discipline.
D A fundraiser organizer draws five names from a hat that contains all entries.

Answer 1

An insurance company polls drivers of sports cars to find their average number of tickets.

Explanation:

It’s bias because they’re only polling people with sports cars

Answer 2

An English teacher polls the top ten most avid readers to find their fav books
An insure company polls drivers of sports cars
An assistant principal surveys each student