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In Polling Voter Opinions About a School Bond Issue, Two

Question 109

Multiple Choice

In polling voter opinions about a school bond issue, two groups randomly sampled the population of River City.Both polls agree that the proportion of voters' who say they would vote "yes" is 0.84.However, the school district's research dept reports a margin of error of .025, while a citizens' group reports a margin of error of .03. Which of the reasons below, if any, might explain this discrepancy?


A) The citizens' group is reporting with a smaller confidence level.
B) The citizens' group is reporting with a larger sample size.
C) The citizens' group has a smaller estimated standard error.
D) The citizens' group has a larger point estimate of π.
E) None of the above would account for this discrepancy.

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