Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 1 - The Nature of Probability and Statistics - 1-4 Experimental Design - Exercises: 1

Answer

Observational vs Experimental

Work Step by Step

In an observational study, the researcher observes what is happening and draws conclusions from the data collected. In experimental studies, the researcher manipulates one variable and draws a conclusion on how to manipulated variable affects the dependent variable.
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