KnowraMargin of errorLinked fromLinked fromThe 9 pages that link to Margin of error, each with the reason it gives.All 9Related 8Compared with 1Confidence intervalRelated: It expresses interval width as an amount added to and subtracted from an estimate.Sampling biasCompared with: It captures random uncertainty, not the systematic distortion caused by biased selection.Sampling errorRelated: It translates estimated sampling variability into a range around a reported estimate.Survey samplingRelated: It communicates precision derived from the sample design and estimator.Survey researchRelated: It quantifies one source of uncertainty, not errors from wording or nonresponse.Sample sizeRelated: For a fixed design and confidence level, more observations usually narrow the margin of error.Opinion pollRelated: It summarizes one source of uncertainty in a poll’s estimate.Probability samplingRelated: Probability designs allow sampling uncertainty to be quantified under stated assumptions.Population parameterRelated: It communicates how precisely a survey estimates a population quantity.