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Author Question: In the last presidential election, before the candidates started their major campaigns, the ... (Read 17 times)

desireelg_7

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on: Mar 25, 2023

In the last presidential election, before the candidates started their major campaigns, the percentages of registered voters who favored the various candidates were as follows.

 

Percentages

Republicans

34%

Democrats

43%

Independents

23%


After the major campaigns began, a random sample of 400 voters showed that 172 favored the Republican candidate; 164 were in favor of the Democratic candidate; and 64 favored the Independent candidate.  We are interested in determining whether the proportion of voters who favored the various candidates had changed.


a.

Compute the test statistic.

b.

Using the p-value approach, test to see if the proportions have changed.

c.

Using the critical value approach, test the hypotheses.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by desireelg_7 on Mar 25, 2023

sadoniam

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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desireelg_7

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Reply 2 on: Mar 25, 2023
Gracias!

gcook

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Reply 3 on: Yesterday
Excellent

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