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...


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

45
178
778
41
183
777
50
184
767




?2 =



P-value interval



p <>p <>p <>p <>p ≥ 0.10


Jun 09, 2022
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