tests for statistical significance

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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All tests for statistical significance result in a test statistic.

a. What happens to the p-value (increases/decreases/stays the same) as the test statistic increases?

b. The p-value is a percentage (presented in decimal form). What does it tell us? (Refer to the end of module 9b slides for an explanation).

  

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a)

The larger the absolute value of the t-value, the smaller the p-value, and the greater the evidence against the null hypothesis

Hence,  the p-value decreases as the test statistic increases

 

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