Error bar

（重定向自Errorbar）

A bar chart with confidence intervals (shown as red lines)

Gaußsche Glockenkurve mit einfacher und doppelten Standardabweichung

Fehlerbalkendiagramm für den Ruhepuls bei unterschiedlicher sportlicher Betätigung

Error bars are a graphical representation of the variability of data and are used on graphs to indicate the error, or uncertainty in a reported measurement. They give a general idea of how precise a measurement is, or conversely, how far from the reported value the true (error free) value might be. Error bars often represent one standard deviation of uncertainty, one standard error, or a certain confidence interval (e.g., a 95% interval). These quantities are not the same and so the measure selected should be stated explicitly in the graph or supporting text.

单词	Errorbar
释义	Errorbar 英语百科 Error bar （重定向自Errorbar） Error bars are a graphical representation of the variability of data and are used on graphs to indicate the error, or uncertainty in a reported measurement. They give a general idea of how precise a measurement is, or conversely, how far from the reported value the true (error free) value might be. Error bars often represent one standard deviation of uncertainty, one standard error, or a certain confidence interval (e.g., a 95% interval). These quantities are not the same and so the measure selected should be stated explicitly in the graph or supporting text.
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