Concept explainers
Twenty-five residents of a community for senior citizens were asked to keep track of the number of hours they watched TV during the past week.
20 | 2 | 12 | 7 | 32 |
7 | 10 | 7 | 13 | 17 |
14 | 15 | 15 | 9 | 27 |
5 | 21 | 4 | 7 | 6 |
2 | 18 | 10 | 5 | 11 |
a. Construct a frequency distribution to display these data.
b. What are the midpoints of the class intervals?
c. Add columns to the table to display the percentage distribution, cumulative frequencies, and cumulative percentages.
d. Write a paragraph summarizing this distribution of scores.
Trending nowThis is a popular solution!
Chapter 2 Solutions
Essentials of Statistics: A Tool for Social Research - With SPSS DVD
Additional Math Textbook Solutions
Introductory Statistics
Elementary Statistics: Picturing the World (6th Edition)
Introductory Statistics (2nd Edition)
Statistics for Business and Economics (13th Edition)
Elementary Statistics: Picturing the World (7th Edition)
Elementary Statistics: A Step By Step Approach
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGALBig Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt
- Functions and Change: A Modeling Approach to Coll...AlgebraISBN:9781337111348Author:Bruce Crauder, Benny Evans, Alan NoellPublisher:Cengage Learning