File:Margin of error vs sample size and confidence level.svg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:02, 28 July 2020		512 × 384 (11 KB)	commons>Cmglee	{{Information \|description ={{en\|1=Log-log graphs of maximum margin of error MOEγ(0.5) vs sample size ''n'' and confidence level ''γ'' by CMG Lee. The arrows show that the maximum margin error for a sample size of 1000 is ±3.1% at 95% confidence level, and ±4.1 at 99%. If the probability ''p'' is known, MOEγ(0.5) can be multiplied by correction factor ''c'' to get MOEγ(''p''). For example, MOE95(0.71) ≈ 0.9 × ±3.1% ≈ ±2.8%. In the SVG...

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Short title	margin of error vs sample size and confidence level
Image title	Log-log graphs of maximum margin of error MOEγ(0.5) vs sample size n and confidence level γ by CMG Lee. The arrows show that the maximum margin error for a sample size of 1000 is ±3.1% at 95% confidence level, and ±4.1 at 99%. If the probability p is known, MOEγ(0.5) can be multiplied by correction factor c to get MOEγ(p). For example, MOE95(0.71) ≈ 0.9 × ±3.1% ≈ ±2.8%. In the SVG file, hover over or click a graph to highlight it.
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