Concept explainers
a.
To discuss: The sampling distribution of
a.
Answer to Problem 37E
It is approximately
Explanation of Solution
Given:
Formula used:
The properties for mean and standard deviation are:
Calculation:
The calculation for mean and standard deviation is done as:
Thus, it is normally distributed with mean = 18 and standard deviation = 9.60.
b.
To find: The
b.
Answer to Problem 37E
The probability is 0.0307.
Explanation of Solution
Calculation:
The probability that difference between
Thus, the probability of difference is 0.0307.
c.
To explain: If it is surprising that the sample mean of boys is more than the sample mean for mean.
c.
Answer to Problem 37E
Yes.
Explanation of Solution
The above part shows that the probability is 0.0307 which is below 0.05. It implies that the
Chapter 10 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Basic Business Statistics, Student Value Edition (13th Edition)
Introductory Statistics
Elementary Statistics: Picturing the World (6th Edition)
Statistics for Psychology
Introductory Statistics (2nd Edition)
Elementary Statistics (13th 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