Concept explainers
a.
To draw: The conclusion at 5% and 1% significance levels.
a.
Explanation of Solution
Given:
The test statistic
The hypotheses are:
Calculation:
The P -value for one tailed test using table is computed as:
Thus, the P - value is 0.0375
Conclusion:
Here, P -value (0.0375) is less than
b.
To draw: The conclusion at 5% and 1% significance levels.
b.
Explanation of Solution
Given:
The hypotheses are:
Calculation:
The P -value for two tailed test using table is computed as:
Thus, the P - value is 0.0286.
Conclusion:
Here, P -value (0.0750) >
Chapter 9 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Statistics for Psychology
Statistical Reasoning for Everyday Life (5th Edition)
Introductory Statistics (10th Edition)
Elementary Statistics: Picturing the World (6th Edition)
Essentials of Statistics (6th Edition)
Introductory Statistics (2nd Edition)
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