Intro Stats
4th Edition
ISBN: 9780321825278
Author: Richard D. De Veaux, Paul F. Velleman, David E. Bock
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 33E
Graduation? A survey of major universities asked what percentage of incoming freshmen usually graduate “on time” in 4 years. Use the summary statistics given to answer the questions that follow.
| % on Time | |
| Count | 48 |
| 68.35 | |
| 69.90 | |
| StdDev | 10.20 |
| Min | 43.20 |
| Max | 87.40 |
| 44.20 | |
| 25th %tile | 59.15 |
| 75th %tile | 74.75 |
- a) Would you describe this distribution as symmetric or skewed? Explain.
- b) Are there any outliers? Explain.
- c) Create a boxplot of these data.
- d) Write a few sentences about the graduation rates.
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Chapter 4 Solutions
Intro Stats
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