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# Predict the election A polling organization plans to ask a random sample of likely

ISBN: 9781464108730 488

## Solution for problem 16 Chapter 7.1

The Practice of Statistics | 5th Edition

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Problem 16

Predict the election A polling organization plans to ask a random sample of likely voters who they plan to vote for in an upcoming election. The researchers will report the sample proportion p^ that favors the incumbent as an estimate of the population proportion p that favors the incumbent. Explain to someone who knows little about statistics what it means to say that p^ is an unbiased estimator of p.

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Chapter 8 Notes – Surveys and Sampling Poll: What proportion of all registered voters in the state support the Affordable Care Act Would 1000 voters in Iowa or 1000 voters in NY provide a more accurate estimate (answer in lecture) Example: What percent of St. Cloud teenagers have a smart phone  Unknowable so estimate it --- from a sample --- how to take the sample  Is the...

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