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Exercise 16

Avg difficulty 2.5

Identify whether each situation describes an observational study or an experiment.

  1. The temperature on randomly selected days throughout the year was measured.

  2. One group of students listened to music and another group did not while they took a test and their scores were recorded.

  3. The weights of 30 randomly selected people are measured.

Lee et al., Math in Society, §3.1 Overview of the Statistical Process, Exercise 16

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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.