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Exercise 6

Avg difficulty 2.5

Identify whether each situation describes an observational study or an experiment. If it is an experiment.

  1. Subjects are asked to run a mile and record their time.

  2. Fifty students were asked to go to a quiet space in the library to memorize a poem. Fifty students were asked to go to a noisy location in the cafeteria to memorize the poem. Each student recorded how much time it took to memorize the poem.

Lee et al., Math in Society, Statistics — Chapter 3 Review, Exercise 6

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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.