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Statistical Significance and Practical Significance True

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 10CQQ Chapter 1.4

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 10CQQ

Problem 10CQQ

 

Statistical Significance and Practical Significance True or false: If data lead to a conclusion with statistical significance, then the results also have practical significance.

Step-by-Step Solution:
Step 1 of 3

Answer:

Step1:

          If data lead to a conclusion with statistical significance, then the results also have practical significance.

           This is false. Statistical significance is based on the probability that we would see results given that we imposed no treatment whereas practical significance is based on how values between the treatments themselves differ. Something can be statistically significant and with very little difference between the treatments when the sample size is very large. This is a case when there is statistical significance but not practical significance.

Step 2 of 3

Chapter 1.4, Problem 10CQQ is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Statistical Significance and Practical Significance True