Unit 3 Day 5 Warm-Up

Dylan wants to know how the students at his school rate the cafeteria. He surveyed his school's basketball team to rate the school cafeteria. Is this a biased sample of the school's population?

A teacher splits her classes up by period. She then randomly picks 3 students from each period to do a survey.

A teacher hands out an index card and asks ALL of her students to write down the following information: age, height (in inches), and what grade they are in.

Which of the following best describes her method of data collection?

An independent research company wants to go door to door to survey people in the city of Fontana. The company decides to number all blocks within the city limit, randomly choose 1 block and survey all households on that block.

This is an example of:

Marianne wanted to know students' opinion on the new schedule at school. She survey's the first 30 students who come into her class.

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.

Interview every 10th student who enters the school in the morning.