57. A pet store wants to know whether customers would pay a small annual fee to participate in a rewards program by sending out questionnaires. 58. An advertising company wants to test a new logo design. They gather a randomly selected sample and watch them discuss the logo. 59. A meteorologist wants to determine the effects of the wind speed from a tornado on various building materials. 60. A physical therapist wants to determine the effectiveness of an exercise to rehabilitate a certain type of injury.

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