For Problems 15-20, use the specified number of classes to do the following.
(a) Find the class width.
(b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies.
(c) Draw a histogram.
(d) Draw a relative-frequency histogram.
(e) Categorize the basic distribution shape as uniform, mound-shaped symmetric, bimodal, skewed left, or skewed right.
(f) Draw an Ogive.
(g) Interpretation Discuss some of the features about the data that the graphs reveal, Consider items such as data
Education: College Enrollment What percent of undergraduate enrollment in coed colleges and universities in the United States is male? A random sample of 50 such institutionsgive thefollowing data (Source: USA Today College Guide).
Percent Males Enrolled in Coed Universities and Colleges
31 | 39 | 53 | 47 | 40 | 49 | 53 | 47 |
45 | 26 | 39 | 79 | 45 | 50 | 36 | 49 |
45 | 49 | 43 | 48 | 54 | 50 | 43 | 42 |
42 | 35 | 49 | 45 | 42 | 58 | 42 | 55 |
45 | 71 | 50 | 57 | 49 | 50 | 45 | 46 |
53 | 48 | 53 | 37 | 56 | 63 | 41 | 41 |
51 | 48 |
Use five classes.
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Chapter 2 Solutions
Understanding Basic Statistics
- Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL