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The polling organization Ipsos 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...

The polling organization Ipsos 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 .05 significance level. (Use 2 decimal places.)

Intent to Pay Taxes with a Credit Card
2004 2005 2006
Definitely/Probably Will
Might/Might Not/Probably Not
Definitely Not
44
185
800
43
183
765
50
190
798


χ2 =  

please show answer. thank you.

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Answer #1

e test ths with chi-squoate test of independence Ho Rous andsaf 3ven tabe ave irserendeob tade aze nNot inderendent HA Rotogoksened count Exfected cont O- E 0 0948 L1 3 41.48 O 0L92 L6. So o 2634 so o ouob 185 180.83 83 0 0260 190 189 비 o 00 18 795.

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  • The polling organization Ipsos conducted telephone surveys in March of 2004, 2005 and 2006. In each...

    The polling organization Ipsos 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 .05 significance level....

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