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a. Fix the errors in Table 1.15. Also, explain how someone might have arrived at the incorrect number(s). b. Explain what is wrong with this statement: "47 percent of the people surveyed have lived in the U.S. for 5 years." c. Fix the statement in b to make it correct. d. What fraction of the people surveyed have lived in the U.S. five or seven years? e. What fraction of the people surveyed have lived in the U.S. at most 12 years? f. What fraction of the people surveyed have lived in the U.S. fewer than 12 years? What fraction of the people surveyed have lived in the U.S. from five to 20 years, inclusive?

a. Fix the errors in Table 1.15. Also, explain how someone might have arrived at the incorrect number(s). b. Explain what is wrong with this statement: "47 percent of the people surveyed have lived in the U.S. for 5 years." c. Fix the statement in b to make it correct. d. What fraction of the people surveyed have lived in the U.S. five or seven years? e. What fraction of the people surveyed have lived in the U.S. at most 12 years? f. What fraction of the people surveyed have lived in the U.S. fewer than 12 years? What fraction of the people surveyed have lived in the U.S. from five to 20 years, inclusive?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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**Table 1.15: Frequency of Immigrant Survey Responses** Nineteen immigrants to the U.S. were asked how many years, to the nearest year, they have lived in the U.S. The data are as follows: 2; 5; 7; 2; 10; 20; 10; 7; 0; 20; 5; 12; 15; 12; 4; 5; 10; 4; 5; 10. | Data | Frequency | Relative Frequency | Cumulative Relative Frequency | |------|-----------|--------------------|------------------------------| | 0 | 2 | 2/19 | 0.1053 | | 2 | 3 | 3/19 | 0.2632 | | 4 | 1 | 1/19 | 0.3158 | | 5 | 3 | 3/19 | 0.4737 | | 7 | 2 | 2/19 | 0.5789 | | 10 | 2 | 2/19 | 0.6842 | | 12 | 2 | 2/19 | 0.7895 | | 15 | 1 | 1/19 | 0.8421 | | 20 | 1 | 1/19 | 1.0000 | Tasks: a. **Fix the errors in Table 1.15.** Explain how someone might arrive at the incorrect numbers. b. **Explain the issue with this statement:** "47 percent of the people surveyed have lived in the U.S. for 5 years." c. **Correct the statement in b to make it accurate.** d. **Determine what fraction of the people surveyed have lived in the U.S. for five or seven years.** e. **Find what fraction of the people surveyed have lived in the U.S. for at most 12 years.** f. **Calculate what fraction of the people surveyed have lived in the U.S. for fewer than 12 years.** g. **Assess what fraction of the people surveyed have lived in the U.S. from five to 20 years, inclusive.**
Transcribed Image Text:**Table 1.15: Frequency of Immigrant Survey Responses** Nineteen immigrants to the U.S. were asked how many years, to the nearest year, they have lived in the U.S. The data are as follows: 2; 5; 7; 2; 10; 20; 10; 7; 0; 20; 5; 12; 15; 12; 4; 5; 10; 4; 5; 10. | Data | Frequency | Relative Frequency | Cumulative Relative Frequency | |------|-----------|--------------------|------------------------------| | 0 | 2 | 2/19 | 0.1053 | | 2 | 3 | 3/19 | 0.2632 | | 4 | 1 | 1/19 | 0.3158 | | 5 | 3 | 3/19 | 0.4737 | | 7 | 2 | 2/19 | 0.5789 | | 10 | 2 | 2/19 | 0.6842 | | 12 | 2 | 2/19 | 0.7895 | | 15 | 1 | 1/19 | 0.8421 | | 20 | 1 | 1/19 | 1.0000 | Tasks: a. **Fix the errors in Table 1.15.** Explain how someone might arrive at the incorrect numbers. b. **Explain the issue with this statement:** "47 percent of the people surveyed have lived in the U.S. for 5 years." c. **Correct the statement in b to make it accurate.** d. **Determine what fraction of the people surveyed have lived in the U.S. for five or seven years.** e. **Find what fraction of the people surveyed have lived in the U.S. for at most 12 years.** f. **Calculate what fraction of the people surveyed have lived in the U.S. for fewer than 12 years.** g. **Assess what fraction of the people surveyed have lived in the U.S. from five to 20 years, inclusive.**
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