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 - Review Exercises - Section 1-4 - Page 35: 57


The claim of this study is suspect for a number of reasons. 1. There are many reasons (factors) for school dropouts while student IQ may only one of them. 2. The study did not specify how were the students selected, it may be biased. 3. The study did not show randomness of sampling. 4. The causation of "more time on internet lead to higher IQ" can not be establish, it needs more scientific studies.

Work Step by Step

A recent study shows that high school dropouts spend less time on the Internet than those who graduated; therefore, the Internet raises your IQ.
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