Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 1 - Introduction to Statistics - 1-4 Collecting Sample Data - Basic Skills and Concepts: 6

Answer

Experiment.

Work Step by Step

The subjects got 20 mg doses of drug to check their reactions to it, therefore a treatment was assessed, therefore it is an experiment.
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