Question
1- What percent of undergraduate enrollment in coed colleges and universities in the United States is male? A random sample of 50 such institutions give
1- What percent of undergraduate enrollment in coed colleges and universities in the United States is male? A random sample of 50 such institutions give the following data.
Percent Males Enrolled in Coed Universities and Colleges | |||||||
54 | 40 | 53 | 79 | 42 | 53 | 58 | 51 |
37 | 52 | 39 | 41 | 47 | 38 | 38 | 39 |
49 | 29 | 38 | 41 | 45 | 49 | 52 | 47 |
51 | 51 | 57 | 48 | 54 | 51 | 45 | 57 |
52 | 42 | 52 | 54 | 57 | 36 | 45 | 51 |
47 | 53 | 43 | 74 | 63 | 41 | 35 | 46 |
46 | 26 |
For this problem, use five classes.
(a) Find the class width. (b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Round your relative frequencies to two decimal places.)
Class Limits | Class Boundaries | Midpoint | Frequency | Relative Frequency | Cumulative Frequency |
- - - - - | - - - - - |
(c) Draw a histogram.
(d) Draw a relative-frequency histogram.
(e) Categorize the basic distribution shape. Select the correct answer. a- uniform or rectangular
b- mound-shaped symmetric
c- skewed right
d- bimodal
e- skewed left
(f) Draw an ogive. (Graph each point and the closed line segments connecting the points for the graph.)
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