Concept explainers
(a)
To calculate the percentage of respondents whose weight is about right.
(a)
Answer to Problem 25E
71.25%
Explanation of Solution
Given:
The Dataset:
Gender | ||||
Female | Male | Total | ||
About right | 560 | 295 | 855 | |
Body image | Overweight | 163 | 72 | 235 |
Underweight | 37 | 73 | 110 | |
Total | 760 | 440 | 1200 |
Calculation:
The number of respondents with the body weight about right are = 855
Total number of respondents are = 1200
(b)
To calculate the proportion of female respondents.
(b)
Answer to Problem 25E
0.6333
Explanation of Solution
Calculation:
No. of female respondents = 760
Total no. of respondents = 1200
(c)
To calculate the percentage of respondents who are male and think that they are overweight or underweight.
(c)
Answer to Problem 25E
Required proportion = 0.5333
Explanation of Solution
Calculation:
No. of male respondents = 440
No. of overweight or underweight respondents = 345
No. of respondents who are male and overweight or underweight respondents = 72 + 73 = 145
Total no. of respondents = 1200
Chapter 1 Solutions
PRACTICE OF STATISTICS F/AP EXAM
Additional Math Textbook Solutions
Statistics for Psychology
Elementary Statistics (13th Edition)
Essentials of Statistics (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