65. A grassroots group opposed to a proposed increase in the gas tax claimed that the increase would hurt working-class people the most, since they commute the farthest to work. Suppose that the group randomly surveyed 24 individuals and asked them their dally one-way commuting mileage. The results are in Table 13.22. Using a 5% significance level, test the hypothesis that the three mean commuting mileages are the same. working-class professional (middle incomes) professional (wealthy) 17.8 16.5 8.5 26.7 17.4 6.3 49.4 22.0 4.6 9.4 7.4 12.6 65.4 9.4 11.0 47.1 2.1 28.6 19.5 6.4 15.4 51.2 13.9 9.3 Table 13.22 a. State the hypothesis b. Find test statistics c. Find p value с. d. Decision on null hypothesis e. Conclusion е.
65. A grassroots group opposed to a proposed increase in the gas tax claimed that the increase would hurt working-class people the most, since they commute the farthest to work. Suppose that the group randomly surveyed 24 individuals and asked them their dally one-way commuting mileage. The results are in Table 13.22. Using a 5% significance level, test the hypothesis that the three mean commuting mileages are the same. working-class professional (middle incomes) professional (wealthy) 17.8 16.5 8.5 26.7 17.4 6.3 49.4 22.0 4.6 9.4 7.4 12.6 65.4 9.4 11.0 47.1 2.1 28.6 19.5 6.4 15.4 51.2 13.9 9.3 Table 13.22 a. State the hypothesis b. Find test statistics c. Find p value с. d. Decision on null hypothesis e. Conclusion е.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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Transcribed Image Text:65. A grassroots group opposed to a proposed increase in the gas tax claimed that the increase would hurt working-class
people the most, since they commute the farthest to work. Suppose that the group randomly surveyed 24 individuals and
asked them their dally one-way commuting mileage. The results are in Table 13.22. Using a 5% significance level, test
the hypothesis that the three mean commuting mileages are the same.
working-class
professional (middle incomes)
professional (wealthy)
17.8
16.5
8.5
26.7
17.4
6.3
49.4
22.0
4.6
9.4
7.4
12.6
65.4
9.4
11.0
47.1
2.1
28.6
19.5
6.4
15.4
51.2
13.9
9.3
Table 13.22
a. State the hypothesis
b. Find test statistics
c. Find p value
с.
d. Decision on null hypothesis
e. Conclusion
е.
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