Concept explainers
(a)
To identify the population and the sample and explain what
(a)
Answer to Problem 4E
The population is people who recently bought new cars and the sample is those
Explanation of Solution
According to the given statement in the part (a), we can say that the population is people who recently bought new cars and the sample is those
And we cannot use this method to apply to create a confidence interval because only five people are dissatisfied.
(b)
To identify the population and the sample and explain what
(b)
Answer to Problem 4E
The population is college students and the sample is those students who asked about the cell phones.
Explanation of Solution
According to the given statement in the part (b), we can say that the population is college students and the sample is those students who asked about the cell phones. And the
And the methods of this chapter cannot be applied to create a confidence interval as the sample of this is biased and non-random.
(c)
To identify the population and the sample and explain what
(c)
Answer to Problem 4E
The population is potato plants in the U.S. and the sample is those
Explanation of Solution
According to the given statement in the part (c), we can say that the population is potato plants in the U.S. and the sample is those
And the methods of this chapter cannot be applied to create a confidence interval as the sample can be non-responsive and that can bias the result.
(d)
To identify the population and the sample and explain what
(d)
Answer to Problem 4E
The population is employees at the company and the sample is all employees that year.
Explanation of Solution
According to the given statement in the part (d), we can say that the population is employees at the company and the sample is all employees that year. And the
And the methods of this chapter cannot be applied to create a confidence interval as the sample of this is biased and non-random.
Chapter 19 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Introductory Statistics
Introductory Statistics (10th Edition)
Introductory Statistics (2nd Edition)
Statistics: The Art and Science of Learning from Data (4th 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