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On the most recent tax cut proposal, a random sample of Democrats and Republicans in the Congress...

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Question

Statistics

On the most recent tax cut proposal, a random sample ofDemocrats and
Republicans in the Congress cast their votes as follows. Are thevotes of Democrats and
Republicans independent of each other?
a. State the null and alternative hypotheses.
b. What is the test statistic?
c. Using a .05 significance level, what is the decision rule?
d. Show the test statistic and essential calculations.
e. Interpret you results

Favor    Oppose Abstain

85 78 37 Democrat

118    61 25 Republican

Answer & Explanation Solved by verified expert
4.3 Ratings (604 Votes)
Since this is a test if the votes of Democrats andRepublicans independent of each other So we will use a chisquaretest for independenceObservationsFavorOpposeAbstainTotalDemocrat857837200Republican1186125204total20313962404Expected value Row    See Answer
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