Concept explainers
The expected percentage of the number of pets students have in their homes is distributed (this is the given
distribution for the student population of the United States) as in Table 11.12.
Number of | Pets Percent |
0 | 18 |
1 | 25 |
2 | 30 |
3 | 18 |
4+ | 9 |
Table 11.12
A random sample of 1,000 students from the Eastern United States resulted in the data in Table 11.13.
Number of | Pets Frequency |
0 | 210 |
1 | 240 |
2 | 320 |
3 | 140 |
4+ | 90 |
Table 11.13
At the 1% significance level, does it appear that the distribution “number of pets” of students in the Eastern United States is different from the distribution for the United States student population as a whole? What is the p-value?
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Introductory Statistics
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- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill