probable error
noun Statistics.
a quantity formerly used as a measure of variability: equal to 0.6745 times the standard deviation. A normally distributed population has half of its elements within one probable error of the mean.
Origin of probable error
First recorded in 1805–15
Words nearby probable error
probability function,
probability theory,
probability wave,
probable,
probable cause,
probable error,
probably,
probacteriophage,
proband,
probang,
probate
Scientific definitions for probable error
probable error
[ prŏb′ə-bəl ]
The amount by which the arithmetic mean of a sample is expected to vary because of chance alone.