Define Maximal Margin Of Error
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Problems and solutions Formulas Notation Share with Friends Statistics and Probability Dictionary Select a term from the dropdown text box. The online statistics glossary will display a definition, plus links to other related web pages. Select term: Statistics Dictionary Absolute Value Accuracy Addition define margin of error statistics Rule Alpha Alternative Hypothesis Back-to-Back Stemplots Bar Chart Bayes Rule Bayes Theorem Bias Biased Estimate Bimodal Distribution Binomial Distribution Binomial Experiment Binomial Probability Binomial Random Variable Bivariate Data Blinding Boxplot Cartesian Plane Categorical Variable Census Central Limit Theorem Chi-Square Distribution Chi-Square Goodness of Fit Test Chi-Square Statistic Chi-Square Test for Homogeneity Chi-Square Test for Independence Cluster Cluster Sampling Coefficient of Determination Column Vector Combination Complement Completely Randomized Design Conditional Distribution Conditional Frequency Conditional Probability Confidence Interval Confidence Level Confounding Contingency Table Continuous Probability Distribution Continuous Variable Control Group Convenience Sample Correlation Critical Parameter Value Critical Value Cumulative Frequency Cumulative Frequency Plot Cumulative Probability Decision Rule Degrees of Freedom Dependent Variable Determinant Deviation Score Diagonal Matrix Discrete Probability Distribution Discrete Variable Disjoint Disproportionate Stratification Dotplot Double Bar Chart Double Blinding E Notation
irregardless a word? Favorite Button CITE Translate Facebook Share Twitter Tweet define margin of error confidence interval Google+ Share margin of error2 noun in statistics,
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a measurement of the accuracy of the results of a survey Examples The
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larger the margin of error around an estimated value, the less accurate is the estimated value. Dictionary.com's 21st Century LexiconCopyright http://stattrek.com/statistics/dictionary.aspx?definition=Margin%20of%20error © 2003-2014 Dictionary.com, LLC Cite This Source Discover our greatest slideshows 8 Offbeat Literary Genres to Get... Decode the pieces of our favorite... Know These 9 Commonly Confused... Uncover the mysteries of the marks... Browse more topics on our blog http://www.dictionary.com/browse/margin-of-error What Is the Difference Between Discreet and Discrete? Learn the correct uses of these two commonly confused homophones. What Character Was Removed from the Alphabet? What mistaken pronunciation gave this character its name? Apostrophes 101 This small mark has two primary uses: to signify possession or omitted letters. How Do I Get a Word into the Dictionary? People invent new words all the time, but which ones actually make it? Word of the Day Word Value for margin 9 12 Scrabble Words With Friends Nearby words for margin of error margie margin margin account margin call margin line margin of error margin of safety margin plank marginal marginal cost marginal costing Pokémon Words About Terms & Privacy ©2016 Dictionary.com, LLC.
Events Submit an Event News Read News Submit News Jobs Visit the Jobs Board Search Jobs Post a Job Marketplace Visit the Marketplace Assessments Case Studies Certification E-books Project Examples Reference Guides Research Templates Training Materials & https://www.isixsigma.com/tools-templates/sampling-data/margin-error-and-confidence-levels-made-simple/ Aids Videos Newsletters Join71,824 other iSixSigma newsletter subscribers: SATURDAY, OCTOBER 08, 2016 Font Size Login Register Six Sigma Tools & Templates Sampling/Data Margin of Error and Confidence Levels Made Simple Tweet Margin of Error and Confidence Levels Made Simple Pamela Hunter 9 A survey is a valuable assessment tool in which a sample is selected and information from the sample can then be generalized to a larger population. Surveying has been margin of likened to taste-testing soup – a few spoonfuls tell what the whole pot tastes like. The key to the validity of any survey is randomness. Just as the soup must be stirred in order for the few spoonfuls to represent the whole pot, when sampling a population, the group must be stirred before respondents are selected. It is critical that respondents be chosen randomly so that the survey results can be generalized to margin of error the whole population. How well the sample represents the population is gauged by two important statistics – the survey's margin of error and confidence level. They tell us how well the spoonfuls represent the entire pot. For example, a survey may have a margin of error of plus or minus 3 percent at a 95 percent level of confidence. These terms simply mean that if the survey were conducted 100 times, the data would be within a certain number of percentage points above or below the percentage reported in 95 of the 100 surveys. In other words, Company X surveys customers and finds that 50 percent of the respondents say its customer service is "very good." The confidence level is cited as 95 percent plus or minus 3 percent. This information means that if the survey were conducted 100 times, the percentage who say service is "very good" will range between 47 and 53 percent most (95 percent) of the time. Survey Sample Size Margin of Error Percent* 2,000 2 1,500 3 1,000 3 900 3 800 3 700 4 600 4 500 4 400 5 300 6 200 7 100 10 50 14 *Assumes a 95% level of confidence Sample Size and the Margin of Error Margin of error