Concept explainers
To find: the appropriate statistical proof to justify the answer.
Answer to Problem 4CRE
No
Explanation of Solution
Given:
Formula used:
Calculation:
The hypothesis
The test statistic:
The degrees of freedom:
The P-value is the probability of obtaining the value of the test statistic, or a value more extreme.
If the P-value is less than or equal to the significance level, then the null hypothesis is rejected:
There is not enough proof to help the claim that there is a difference.
Chapter 10 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Essentials of Statistics (6th Edition)
Statistical Reasoning for Everyday Life (5th Edition)
Intro Stats, Books a la Carte Edition (5th Edition)
Statistics for Psychology
Essentials of Statistics, Books a la Carte Edition (5th Edition)
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
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