Elementary Statistics (12th Edition)

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

Chapter 1 - Introduction to Statistics - 1-2 Statistical and Critical Thinking - Basic Skills and Concepts - Page 11: 1

Answer

Statistical Significance is when a study's results are unlikely to occur by chance. Practical Significance is when a study has real world applications. A study can have statistical significance but not practical significance.

Work Step by Step

The problem with statistical significance is that differences can be found even with very small discrepancies for a large sample size. Practical significance questions if the differences have any important meaning.
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