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Exercise 13

Avg difficulty 2.5

Which sampling method is being described?

  1. A sample was selected to contain 25 people aged 18-34 and 30 people aged 35-70.

  2. Viewers of a new show are asked to respond to a poll on the show's website.

  3. To survey voters in a town, a polling company randomly selects 100 addresses from a database and interviews those residents.

Lee et al., Math in Society, §3.1 Overview of the Statistical Process, Exercise 13

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Adapted from Math in Society © 2018–2024 Portland Community College Math Instructors. Licensed under CC BY-SA 4.0. Source: Math in Society. Imported at revision 68ee43c.