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Biology: Concepts and Investigations 2nd Edition by Mariëlle Hoefnagels
Edition 2ISBN: 978-0077295349Biology: Concepts and Investigations 2nd Edition by Mariëlle Hoefnagels
Edition 2ISBN: 978-0077295349 Exercise 2
Identify the elements of the experiment summarized in the Apply It Now box.
Explanation
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Sample size = 200 rats; variables: independent = saccharin treatment, dependent = number of tumors, standardized = brand of chow; controls = 1 group with no saccharin added to chow; statistical analysis = calculating percentages of tumors between the different groups; creativity and logic = went into the choice of rats as a test subject.
Biology: Concepts and Investigations 2nd Edition by Mariëlle Hoefnagels
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