Calculate Sample Size Given Margin Of Error And Confidence Level
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Calculate Sample Size Given Margin Of Error And Confidence Level. The margin of error is a number that represents the accuracy of a poll. The general form of such a confidence interval is.
If you want a smaller margin of error, you must have a larger sample size given the same population.
The margin of error is a number that represents the accuracy of a poll. □ the 95% confidence interval for the population mean is. Use 50% if not sure ; Z = 1.96 for a confidence level (α) of 95%, p = proportion (expressed as a decimal), e = margin of error.
