You also have been asked to determine at both the 2% and 5%
levels of significance...
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You also have been asked to determine at both the 2% and 5%levels of significance whether the proportion of supporters of thecandidate that describes itself as generally loyal to the politicalparty of the candidate has decreased recently from its previouslyhypothesized value of 80%. You select a random sample of supportersof the candidate for study. The sample data concerning whether thesupporters generally describe themselves as party loyalists isshown below. Answer the question as to whether there has been adecrease in the population proportion of supporters that describesitself as party loyalists from its previous value of 80%.
Appendix Two: Party Loyalist? (Y = yes, N = no)
Y Y Y N Y N Y N Y N Y
N Y Y Y Y Y N N N Y Y
Y Y Y Y Y Y Y Y Y Y Y
N Y N N Y N Y Y N Y N
Y N N N Y Y Y N Y Y N
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3.7 Ratings (451 Votes)
Consider population proportion PP Population proportion of supporters that describes itself asparty loyalistp sample proportion of supporters that describes itself asparty loyalistNumber of yes 36 and number
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