Data Displays and Statistics

Question 1 • Concepts in Probability and Statistics A

Which data collections show bias? Check all that apply.

Answer

An English teacher polls the top-ten most avid readers to find their favorite books.

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

A restaurant manager surveys every tenth customer for one week.

An assistant principal surveys each student who is sent for discipline.

A fundraiser organizer draws five names from a hat that contains all entries.

Numerical Expressions with Exponents

Expressions to Represent Multiplication and Division Problems

Mean Absolute Deviation