Margin Of Error 0.024 Confidence Level 95 And Unknown
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99%; N = 17; σ Is Unknown; Population Appears To Be Normally Distributed.
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Use The Given Data To Find The Minimum Sample Size Required To Estimate The Population Proportion.
to find the minimum sample size required to estimate the population proportion? Margin of error: 0.004; confidence level: 95%; p and q unknown Follow 1 answer 1 Report Abuse Are you sure you want to delete this answer? Yes No Sorry, something has gone wrong. Trending Now Michael Jordan Judy Garland Kanye West Simon Konecki Credit Cards 2016 Cars Janet Jackson Travel Insurance Jana Kramer Jack Reacher a survey of 865 voters Answers Best Answer: chillmxchick - Whenever p and q are unknown, always use p = q = 0.5 which provides the most conservative result for the sample size. Margin of error = (z*)(standard error) 0.004 = (1.96) sqrt[(0.5)(0.5) / n], now solve for n n = 60024.999, so ALWAYS ROUND UP to make sure the margin of error is met: n = 60,025 Hope that helps Source(s): BeeFree · 5 years ago 0 Thumbs up 0 Thumbs down Comment Add a comment Submit · just now Asker's rating Report Abuse Add your answer Use the given data to find the minimum sample size required to estimate the population proportion? Margin of error: 0.004; confidence level: 95%; p and q unknown Add your answer Source Submit Cancel Report Abuse I think this question violates the Community Guidelines Chat or rant, adult content, spam, insulting other members,show more I think this question violates the Terms of Service Harm to minors, violence or threats, harassment or privacy invasion, impersonation or misrepresentation, fraud or phishing, show more Additional Details If you believe your intellectual property has been infringed and would like to file a complaint, please see our Copyright/IP Policy Report Abuse Canc
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90%; N = 10; σ Is Unknown; Population Appears To Be Normally Distributed.
FREE content right to your inbox. Easy! Your email Submit RELATED use the confidence level and sample data to find the margin of error e ARTICLES How to Calculate a Confidence Interval for a Population Mean… Statistics Essentials For Dummies Statistics For Dummies, a laboratory tested twelve chicken eggs 2nd Edition SPSS Statistics for Dummies, 3rd Edition Statistics II for Dummies Load more EducationMathStatisticsHow to Calculate a Confidence Interval for a Population Mean with Unknown Standard Deviation https://answers.yahoo.com/question/index?qid=20120427143946AAuvdtj and/or Small Sample Size How to Calculate a Confidence Interval for a Population Mean with Unknown Standard Deviation and/or Small Sample Size Related Book Statistics For Dummies, 2nd Edition By Deborah J. Rumsey You can calculate a confidence interval (CI) for the mean, or average, of a population even if the standard deviation is unknown or the http://www.dummies.com/education/math/statistics/how-to-calculate-a-confidence-interval-for-a-population-mean-with-unknown-standard-deviation-andor-small-sample-size/ sample size is small. When a statistical characteristic that's being measured (such as income, IQ, price, height, quantity, or weight) is numerical, most people want to estimate the mean (average) value for the population. You estimate the population mean, by using a sample mean, plus or minus a margin of error. The result is called a confidence interval for the population mean, In many situations, you don't know so you estimate it with the sample standard deviation, s; and/or the sample size is small (less than 30), and you can't be sure your data came from a normal distribution. (In the latter case, the Central Limit Theorem can't be used.) In either situation, you can't use a z*-value from the standard normal (Z-) distribution as your critical value anymore; you have to use a larger critical value than that, because of not knowing what is and/or having less data. The formula for a confidence interval for one population mean in this case is is the critical t*-value from the t-di
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