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determine whether the given description corresponds to an

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 7BSC Chapter 1.4

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 7BSC

 

determine whether the given description corresponds to an observational study or an experiment. In each case, give a brief explanation of your choice.

Touch Therapy Nine-year-old Emily Rosa was an author of an article in the Journal of the American Medical Association after she tested professional touch therapists. Using a cardboard partition, she held her hand above one of the therapist’s hands, and the therapist was asked to identify the hand that Emily chose.

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Answer:

Step1:

         Given that Nine-year-old Emily Rosa was an author of an article in the Journal of the American Medical Association after she tested professional touch therapists. Using a cardboard partition, she held her hand above one of the therapist’s hands, and the therapist was asked to identify the hand that Emily chose.

           This is an observational study because the therapists were not given any treatment. Their responses were observed.

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Chapter 1.4, Problem 7BSC is Solved
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Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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determine whether the given description corresponds to an