Stats: Data and Models (3rd Edition)

Published by Pearson
ISBN 10: 0321692551
ISBN 13: 978-0-32169-255-9

Chapter 2 - Data - Exercises: 19

Answer

Who: Experimental subjects; Cases: Each subject is a case; What: Treatment (herbal cold remedy or sugar solution) and cold severity; When: Not specified; Where: Not specified; Why: To test the efficacy of the herbal remedy on the common cold; How: The scientists set up an experiment; Variable: Treatment; Type: Categorical; Variable: Cold severity rating; Type: Quantitative; Units: Scale from 0 to 5.

Work Step by Step

Who: Experimental subjects; Cases: Each subject is a case; What: Treatment (herbal cold remedy or sugar solution) and cold severity; When: Not specified; Where: Not specified; Why: To test the efficacy of the herbal remedy on the common cold; How: The scientists set up an experiment; Variable: Treatment; Type: Categorical; Variable: Cold severity rating; Type: Quantitative; Units: Scale from 0 to 5.
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