A polling organization conducted telephone surveys in March of 2004, 2005 and 2006. In each year, 1001 people age 18 or older were asked about whether they planned to use a credit card to pay federal income taxes that year. The data are given in the accompanying table. Is there evidence that the proportion falling in the three credit card response categories is not the same for all three years? Test the relevant hypotheses using a 0.05 significance level. (Round your answer to two decimal places.) Intent to Pay Taxes with a Credit Card 2004 2005 2006 Definitely/Probably Will Might/Might Not/Probably Not Definitely Not 44 168 789 41 172 788 49 189 763
A polling organization conducted telephone surveys in March of 2004, 2005 and 2006. In each year, 1001 people age 18 or older were asked about whether they planned to use a credit card to pay federal income taxes that year. The data are given in the accompanying table. Is there evidence that the proportion falling in the three credit card response categories is not the same for all three years? Test the relevant hypotheses using a 0.05 significance level. (Round your answer to two decimal places.) Intent to Pay Taxes with a Credit Card 2004 2005 2006 Definitely/Probably Will Might/Might Not/Probably Not Definitely Not 44 168 789 41 172 788 49 189 763
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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A polling organization conducted telephone surveys in March of 2004, 2005 and 2006. In each year, 1001 people age 18 or older were asked about whether they planned to use a credit card to pay federal income taxes that year. The data are given in the accompanying table. Is there evidence that the proportion falling in the three credit card response categories is not the same for all three years? Test the relevant hypotheses using a 0.05 significance level. (Round your answer to two decimal places.)
| Intent to Pay Taxes with a Credit Card | |||
| 2004 | 2005 | 2006 | |
| Definitely/Probably Will Might/Might Not/Probably Not Definitely Not |
44 168 789 |
41 172 788 |
49 189 763 |
?2 =
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