Introductory Statistics
1st Edition
ISBN: 9781938168208
Author: Barbara Illowsky, Susan Dean
Publisher: OpenStax College
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Chapter 1, Problem 80H
Fifty part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below:
| # of Courses | Frequency | Relative Frequency | Cumulative Relative Frequency |
| 1 | 30 | 0.6 | |
| 2 | 15 | ||
| 3 | |||
Table 1.33 Part-time Student Course Loads a. Fill in the blanks in Table 1.33.
b. What percent of students take exactly two courses?
c. What percent of students take one or two courses?
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Martinez Auto Supplies has retail stores located in eight cities in California. The price they charge for a particular product in each city are vary because of differing competitive conditions. For instance, the price they charge for a case of a popular brand of motor oil in each city follows. Also shown are the number of cases that Martinez
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xi
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Chapter 1 Solutions
Introductory Statistics
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