Concept explainers
a.
To find: The P -value using the table and calculator. Also, draw the conclusion at 5% and 1% significance levels.
a.
Explanation of Solution
Given:
The test statistic
The hypotheses are:
Calculation:
The degree of freedom is:
The obtained Ti-83 output is:
The alternative hypothesis suggests that the test is two-tailed. The above P -value has been computed for the one-sided test. Thus, the P -value for two-sided test is:
Now, the P -value for two tailed test using table is computed as:
Thus, the P - value is 0.2738.
Conclusion:
Here, P -value (0.2738) >
b.
To find: The P -value using the table and calculator. Also, draw the conclusion at 5% and 1% significance levels.
b.
Explanation of Solution
Given:
The hypotheses are:
Calculation:
The obtained Ti-83 output is:
Now, the P -value for one tailed test using table is computed as:
Thus, the P - value is 0.1369.
Conclusion:
Here, P -value (0.1369) >
Chapter 9 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Introductory Statistics (2nd Edition)
Elementary Statistics Using Excel (6th Edition)
Introductory Statistics
Basic Business Statistics, Student Value Edition (13th Edition)
Fundamentals of Statistics (5th Edition)
Basic Business Statistics, Student Value Edition
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
- Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman