Concept explainers
(a)
To Explain: In this case the random and independent conditions are satisfied.
(a)
Answer to Problem 3CRE
Independent and random conditions are met.
Explanation of Solution
Random: 45 Women have been randomly assigned to the control group, where the remaining women have been assigned to the undermining group, thereby fulfilling the random criterion.
Independent: Satisfied, as the
(b)
To Explain: the reason why a two-sample t test is still acceptable.
(b)
Answer to Problem 3CRE
Normal requirement is met.
Explanation of Solution
They both have a sample size of 45. Because both samples have a sample size of at least 30, it can be concluded that both samples are
(c)
To Explain: The P-value.
(c)
Explanation of Solution
Given:
P < 0.01=1%
This means that since all groups have a mean sample population, the possibility of the mean difference being predicted as in this or more extreme study is 1%.
Chapter 10 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Elementary Statistics: Picturing the World (6th Edition)
STATS:DATA+MODELS-W/DVD
Introductory Statistics
Essentials of Statistics, Books a la Carte Edition (5th Edition)
Elementary Statistics Using Excel (6th Edition)
An Introduction to Mathematical Statistics and Its Applications (6th 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